Conflicts

The War in Afghanistan from 2001 to 2021 began after the September 11 attacks, when the United States and allies intervened to remove the Taliban government and target al-Qaeda. It became a long counterinsurgency, state-building, NATO, reconstruction, and counterterrorism campaign that ended with Taliban victory and the collapse of the Afghan republic. The conflict is associated with special operations, air power, counterinsurgency, NATO coalition warfare, drones, Afghan security forces, corruption, civilian harm, reconstruction failure, and the limits of external state-building.

The Second Intifada was the violent Israeli-Palestinian uprising that ran from 2000 to 2005, beginning after the Oslo process stalled and the Camp David negotiations failed, and triggered by Ariel Sharon's visit to the Temple Mount amid intensifying tensions over Jerusalem, settlements, security, and Palestinian statehood. Compared with the First Intifada, it was far more militarized, featuring organized armed resistance, suicide bombings and shootings, Israeli targeted killings, incursions, closures, and large-scale operations and reoccupation of cities in the West Bank and Gaza. The violence ended with the Sharm el-Sheikh Summit.

The Nigerian Sharia Conflict refers to waves of sectarian and political violence linked to the expansion of sharia-based criminal law in several northern Nigerian states from 1999 onward. The conflict mattered because the legal debate was never abstract. Once sharia expansion entered mixed urban politics, it touched street violence, minority fears, police behavior, and the credibility of the federal system all at once. The conflict connects constitutional federalism, religious identity, local security forces, urban riots, minority protection, the legal limits of state-level authority, and the difference between legal reform debates and organized armed conflict.

The Second Chechen War began in 1999 when Russia re-entered Chechnya after the failures of the first war and moved to destroy Chechen separatist autonomy through a much harder, more sustained campaign, officially termed a counterterrorism operation. It followed Chechen incursions into Dagestan and apartment bombings in Russian cities attributed to Chechen terrorists. Under President Vladimir Putin, Russian forces applied overwhelming firepower and siege tactics learned from the first war, including the massive bombardment of Grozny in the second battle for the city in 1999 and 2000 and operations against highland strongholds. Russian methods included zachistka sweep operations and the establishment of pro-Russian Chechen leadership under Ramzan Kadyrov, while the war evolved into an insurgency of guerrilla warfare in the mountainous regions, frequent attacks, and counter-operations. Terrorist attacks included the Beslan school siege and the Moscow theater crisis, and human rights violations by both sides were extensively documented. Approximately 25,000 to 50,000 people died. The conflict officially ended in 2009, with Chechnya under tight federal control through local strongman rule. It links state restoration by force, insurgency persistence, rights abuses, jihadist spillover narratives, and the long transformation of a separatist war into a controlled but deeply violent security order.

The Kargil War was a 1999 India-Pakistan conflict in the Kargil sector of Kashmir, fought after Pakistani forces and irregulars occupied positions on the Indian side of the Line of Control. The conflict involved high-altitude warfare, nuclear-era escalation control, air power constraints, mountain logistics, international diplomacy, and the wider India-Pakistan rivalry. It was a limited war under a nuclear shadow. The fighting stayed geographically constrained, but the political stakes were larger because both states had recently demonstrated nuclear capability and international actors were watching for escalation. The Kargil War illustrates how a local tactical intrusion can escalate into a strategic crisis when the surrounding security environment is unstable.

The Second Liberian Civil War was the renewed phase of major conflict in Liberia from 1999 to 2003, when Charles Taylor's post-election rule faced armed challenge from new rebel groups and the country fell back into siege, displacement, and regional emergency. It showed that the apparent closure of the first war had left the deeper coercive structures of instability intact. The fighting began when Liberians United for Reconciliation and Democracy (LURD), based in Guinea, attacked Taylor's forces, and the Movement for Democracy in Liberia (MODEL) later opened a second front from Côte d'Ivoire. The war was fueled by Taylor's involvement in Sierra Leone's civil war, regional tensions, and domestic opposition to his authoritarian rule, and was fought for control of key towns, diamond mining areas, and the capital. Taylor's side combined government troops with various militia groups, while the rebels drew support from neighboring countries. International pressure mounted through UN sanctions and war crimes indictments, ECOWAS peacekeeping forces again intervened, and Monrovia endured siege conditions and mass civilian displacement. Approximately 50,000 people died. The war ended with Taylor's exile to Nigeria in 2003 and the Accra agreement, which established a transitional government and opened a credible path out of Liberia's war order toward democratic elections.

The Second Congo War of 1998-2003, known as Africa's World War or Great War, drew nine African nations and numerous armed groups into fighting across the Democratic Republic of the Congo. It began when Congo's government turned against the Rwandan and Ugandan forces that had helped install Laurent-Désiré Kabila in power; Angola, Namibia, and Zimbabwe then supported Kabila's government, while Rwanda, Uganda, and Burundi backed rebel movements including the RCD and MLC, alongside local militias. Ethnic tension, resource extraction in diamonds, gold, and coltan, and regional power struggles fuelled the war, which combined conventional battles across eastern and central Congo with widespread targeting of civilians. An estimated 5.4 million people died, mostly from disease and starvation. The war formally ended with the Pretoria Accord, but instability persists in eastern Congo. It links state collapse, Rwandan and Ugandan security concerns, mineral economies, militia violence, UN peacekeeping, mass displacement, contested mortality estimates, and the unresolved eastern Congo conflict system.

The Eritrean-Ethiopian War from 1998 to 2000 was a major interstate conflict between two former liberation allies whose post-independence relationship broke down into a destructive border war. Although the dispute is often summarized through Badme, the fighting widened beyond that point and became one of the largest conventional conflicts in Africa during its period, with trench warfare, mass mobilization, and deep political consequences on both sides. The conflict linked post-liberation state rivalry, border demarcation, ceasefire monitoring, conventional military escalation, and the long afterlife of unresolved mistrust in the Horn of Africa. It was not merely a technical border dispute but also a struggle over sovereignty, prestige, and the unfinished political meaning of independence after shared revolutionary victory.

The Kosovo War was the 1998-1999 conflict involving Yugoslav and Serbian forces, the Kosovo Liberation Army, Kosovo Albanian civilians, NATO intervention, mass displacement, and the postwar international administration of Kosovo. The conflict linked insurgency, counterinsurgency, ethnic cleansing allegations, airpower, humanitarian intervention, alliance politics, and unresolved sovereignty. The war also became a template for later debates about humanitarian intervention. Supporters treated Kosovo as proof that alliance force could stop mass violence when diplomacy had failed; critics treated it as a warning that moral urgency can outrun legal clarity and produce long aftereffects that are hard to govern. The war's meaning did not end in 1999, because the postwar status dispute became part of the conflict itself.

Farmer-Herder Conflicts in Nigeria are a long-running pattern of violence involving pastoralist communities, farming communities, local vigilantes, criminal groups, and state security responses across the Middle Belt and other regions. The conflicts are driven by overlapping land-use disputes, grazing-route changes, population pressure, weak dispute resolution, arms availability, political identity, and climate-linked pressure on water and pasture. The conflict demonstrates how localized resource disputes can become militarized, ethnicized, and tied to broader insecurity without fitting neatly into a conventional war model. It also underscores that rural protection and mediation are as important as military deployments, given the collision of seasonal movement, farming cycles, and local politics.

The First Congo War of 1996 to 1997 was the conflict in which Laurent-Désiré Kabila's anti-Mobutu coalition, the Alliance of Democratic Forces for the Liberation of Congo-Zaire (AFDL), advanced across Zaire and brought down Mobutu Sese Seko's 32-year dictatorship, opening a new and far more volatile phase in Central African warfare. The war was triggered by ethnic tensions in eastern Zaire, particularly involving Rwandan Hutu refugees and Tutsi populations after the 1994 Rwandan genocide. Rwanda and Uganda provided crucial military support to Kabila's forces, viewing the campaign as necessary to eliminate Hutu militia bases threatening their borders. Mobutu's army, weakened by years of corruption and neglect, offered limited resistance as the AFDL advanced across the vast country, capturing Goma, Kisangani, and ultimately Kinshasa. International involvement was limited, with most powers abandoning Mobutu. Approximately 200,000 to 300,000 people died, many from disease and hunger. The war ended with Mobutu's exile and Kabila's assumption of the presidency, and the country was renamed the Democratic Republic of Congo. It linked refugee militarization after Rwanda, cross-border intervention, regime decay, alliance warfare, and state collapse under conditions that immediately fed wider regional conflict.

The Nepalese Civil War from 1996 to 2006 was the Maoist insurgency against the Nepali state that transformed the country's political order, weakened the monarchy, and contributed directly to the eventual abolition of the royal system. The conflict combined rural insurgency, state repression, political crisis, and negotiated transition, turning what began as a countryside rebellion into a national struggle over sovereignty, representation, and constitutional legitimacy. The conflict links Maoist strategy, uneven development, monarchy crisis, countryside-to-capital political pressure, and the difficulty of turning insurgent war into a new constitutional order. The war ultimately remade the state itself instead of ending with a simple restoration of the old regime.

The First Chechen War from 1994 to 1996 was Russia's attempt to crush the unilateral independence of the breakaway Chechen Republic of Ichkeria and restore federal control after the Soviet collapse. Instead of a quick reassertion of authority, it became a brutal urban and guerrilla war that exposed the weakness of the Russian state and armed forces in the 1990s while devastating Chechnya. Russian forces invaded to prevent secession following Dzhokhar Dudayev's declaration of independence in 1991 and, expecting a rapid victory, met fierce resistance from Chechen fighters using guerrilla tactics in urban and mountainous terrain. The siege of Grozny in 1994 and 1995 left the capital massively destroyed. Chechen commanders such as Shamil Basayev and Aslan Maskhadov conducted effective ambushes and urban warfare, and the conflict was marked by high civilian casualties, war crimes, and humanitarian crisis, with international opinion largely condemning Russian methods. Key episodes included the Budyonnovsk hospital siege and various prisoner exchanges. Approximately 80,000 to 100,000 people died, many of them civilians. The Khasavyurt Accord of 1996 ended the fighting and granted Chechnya de facto independence, an outcome that proved temporary as tensions remained high, leaving the conflict on the uneasy line between failed counterinsurgency and provisional separation.

The Rwandan Genocide was the 1994 campaign of systematic mass killing directed primarily against Tutsi civilians and moderate Hutu opponents during the collapse of Rwanda's civil-war peace process. It was triggered by the shooting down of President Juvenal Habyarimana's plane but rooted in decades of ethnic tension exacerbated by colonial policies, and it unfolded over roughly 100 days. Hutu militias, particularly the Interahamwe, together with government forces, carried out killings with machetes, clubs, and firearms, while radio stations broadcast hate propaganda encouraging mass participation. The international community failed to intervene effectively despite clear warning signs. An estimated 800,000 to 1 million people were killed, about 70 percent of the Tutsi population, in one of the defining atrocities of the late twentieth century. The killing ended when the Rwandan Patriotic Front captured Kigali; millions then fled to refugee camps, destabilizing the region, and Rwanda afterwards rebuilt through reconciliation policies and economic development. The episode links civil war, state institutions, militia organization, propaganda, the limits of peacekeeping, refugee flows, and the later security politics of the Great Lakes region, and it constituted genocide rather than a generic instance of civilian harm in wartime.

The Burundian Civil War of 1993 to 2005 erupted after the assassination of democratically elected President Melchior Ndadaye in October 1993 and continued through cycles of ethnic violence, insurgency, military rule, negotiation, and fragmented peace efforts. It was rooted in long-running tensions between Hutu majority and Tutsi minority power structures and in the fragility of Burundi's first democratic opening. The assassination triggered massive ethnic violence and refugee flows, and the war set various Hutu rebel groups, particularly the CNDD-FDD, the National Council for the Defense of Democracy - Forces for the Defense of Democracy, led by Pierre Nkurunziza, against the Tutsi-dominated army and government. It was characterized by cycles of massacres, ethnic cleansing, and reprisal attacks affecting both communities, with major fighting around the capital Bujumbura and in rural provinces where rebels used guerrilla tactics from countryside strongholds. International mediation drew in Julius Nyerere, Nelson Mandela, and other African leaders through the Arusha peace process, while regional states such as Tanzania hosted talks and absorbed massive refugee influxes. Approximately 300,000 people died and more than 1 million were displaced. The war ended through gradual peace agreements, power-sharing arrangements, and the integration of rebel forces into the national army, illustrating the difficult transition from state collapse and ethnicized violence to negotiated postwar politics in the Great Lakes region.

The War in Abkhazia from 1992 to 1993 was the separatist conflict in northwestern Georgia that emerged during Georgia's early post-Soviet state breakdown and became one of the defining wars of the Caucasus in the 1990s. It combined Georgian internal weakness, Abkhaz secessionist aims, Russian involvement, mass displacement, and a long afterlife of frozen but unresolved sovereignty. Georgian forces entered Abkhazia in August 1992, ostensibly to secure transportation routes and government buildings, but the operation escalated into full-scale warfare. Abkhazian forces, supported by North Caucasian volunteers, Cossack militias, and allegedly by Russian military assistance, fought to expel the Georgians and establish independence. The fighting featured fierce urban warfare, particularly in the capital Sukhumi, extensive use of artillery, air strikes, and guerrilla tactics, and widespread ethnic cleansing targeting the Georgian population, with major battles at Sukhumi, Gagra, and strategic points along the coast and in the mountains. International mediation by the UN and Russia failed to prevent escalation. Approximately 10,000 people died and more than 200,000 Georgians were displaced. The war ended in complete Abkhazian victory and Georgian withdrawal, leaving a frozen conflict under Russian protection that continues today and the durable fragmentation of a newly independent state.

The Tajikistani Civil War (1992-1997) was the violent struggle that followed Tajikistan's independence from the Soviet Union, pitting government-aligned forces, backed by Russia and Uzbekistan, against the United Tajik Opposition (UTO), a coalition that combined democratic, regional, and Islamist currents. The war grew out of a weak post-Soviet state, elite rivalry, clan and regional patronage networks, ideological differences between secular and Islamic forces, economic disparity, and the inability of the new republic to build a stable political order after independence. Fighting spread through Dushanbe, the Kurgan-Tyube region, and mountain corridors near the Afghan border, mixing conventional battles with guerrilla warfare, while both sides relied on shifting alliances, local militias, and outside support. Russian military support was central to the survival of the government, while Afghan territory and cross-border networks shaped opposition resilience and sheltered many of the displaced. Approximately 50,000 to 100,000 people died and more than a million were displaced. The war ended only with the 1997 General Agreement on Peace, which created a power-sharing framework and integrated former opposition forces into government structures. It illustrates how state collapse, ideology, clan and regional competition, refugee flows, and external intervention can reinforce each other.

The Bosnian War was the 1992-1995 conflict in Bosnia and Herzegovina that followed Yugoslavia's breakup, fought among Bosniaks (Bosnian Muslims), Bosnian Serbs, and Bosnian Croats with outside backers, and the most devastating conflict in Europe since the Second World War. It involved siege warfare, ethnic cleansing, mass atrocities, genocide, international peacekeeping, NATO airpower, and the Dayton settlement. The Siege of Sarajevo lasted 1,425 days, the longest siege of a capital city in modern warfare, and the Srebrenica massacre of July 1995, in which over 8,000 Bosniak men and boys were killed by Bosnian Serb forces, was classified as genocide by international courts. NATO intervention through Operation Deliberate Force helped end the war, leading to the Dayton Agreement in December 1995. Approximately 100,000 people were killed and 2.2 million displaced. It is one of the most important post-Cold War European conflicts for understanding state collapse and intervention, linking local armed groups, successor states, UN peacekeeping, war crimes tribunals, NATO, U.S. diplomacy, and the difficulty of ending ethnicized civil war without freezing political division.

The Algerian Civil War of 1991 to 2002 was the devastating internal conflict that followed the cancellation of elections the Islamic Salvation Front (FIS) was poised to win, pitting the Algerian state against Islamist insurgents and drawing civilians into a brutal cycle of repression, massacres, and counterinsurgency. The conflict began when the military intervened to prevent the FIS from taking power, leading to the formation of armed groups such as the Islamic Salvation Army (AIS) and the more radical Armed Islamic Group (GIA). It was marked by extreme brutality, including massacres of civilians, bombings, and assassinations targeting intellectuals, foreigners, and government supporters. The GIA employed particularly ruthless tactics, while government security forces also committed serious human rights violations. Major incidents included village massacres, urban bombings, and attacks on isolated communities, and the violence peaked in the mid-1990s with hundreds of deaths a week. International involvement was limited, with France supporting the government and most countries avoiding intervention. Approximately 150,000 to 200,000 people died, and many disappearances remain unresolved. The war ended gradually through government military success, amnesty programs, and exhaustion, though low-level violence continued sporadically. It links regime survival, electoral breakdown, insurgent fragmentation, rural terror, urban security operations, and the long afterlife of civil-war methods in North African and Sahelian militancy.

The Georgian Civil War was a turbulent post-Soviet conflict in the early 1990s that combined armed struggle over state leadership in Tbilisi with wider instability tied to separatist violence in Abkhazia and South Ossetia. It unfolded during the collapse of Soviet authority and the uncertain formation of independent Georgian state institutions. The conflict demonstrated how post-imperial state breakdown, coup politics, and territorial fragmentation overlapped in a single violent transition, rather than appearing as separate crises. Georgia did not transition from peace to war in a clean line; instead, it moved from one collapsing political order into another, with legitimacy and armed force fracturing simultaneously. The struggle for control of the capital was intertwined with the loss of control over territory, a combination that made the conflict formative for the Georgian state that emerged afterward. Later Georgian politics frequently returned to questions of sovereignty, territorial integrity, and the military costs of political fragmentation. The war was not only destructive but also provided a template for security thinking and a warning about how quickly new states can fracture.