Wars involving Saudi Arabia

World War II, or the Second World War, was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated. Tanks and aircraft played major roles, the latter enabling the strategic bombing of cities and delivery of the only nuclear weapons used in war. World War II was the deadliest conflict in history, causing the death of 60 to 75 million people. Millions died as a result of massacres, starvation, disease, and genocides, including the Holocaust. After the Allied victory, Germany, Austria, Japan, and Korea were occupied, and German and Japanese leaders were tried for war crimes.

The Syrian Civil War was an armed conflict that began with the Syrian revolution in March 2011, when popular discontent with the Ba'athist regime ruled by Bashar al-Assad triggered large-scale protests and pro-democracy rallies across Syria, as part of the wider Arab Spring. The Assad regime responded to the protests with lethal force, which led to a series of defections, the emergence of armed opposition groups, and the civilian uprising descending into a civil war. The war lasted almost 14 years and culminated in the fall of the Assad regime in December 2024. Many sources regard this as the end of the civil war even though clashes have continued into 2026.

The Gulf War was an armed conflict between Iraq and a 42-country coalition led by the United States. The coalition's efforts were in two phases: Operation Desert Shield, which marked the military buildup from August 1990 to January 1991; and Operation Desert Storm, from the bombing campaign against Iraq on 17 January until the American-led liberation of Kuwait on 28 February.

On 28 February 2026, the United States and Israel launched airstrikes on Iran targeting military and government sites and assassinating several Iranian officials, including Supreme Leader Ali Khamenei. The surprise attacks were launched during negotiations between Iran and the US regarding Iran's nuclear program. Iran responded with missile and drone strikes against Israel, US bases, and US-allied Arab countries in the Middle East, and the closure of the Strait of Hormuz, disrupting global trade.

military campaign started after September 11 attacks

Since April 2023, there has been a civil war in Sudan between two primary factions of the country's military government. The conflict involves the internationally recognized government, controlled by the Sudanese Armed Forces (SAF) under General Abdel Fattah al-Burhan, against the paramilitary Rapid Support Forces (RSF), led by General Hemedti, who commands the broader Janjaweed coalition. Smaller armed groups have taken part. Fighting began on 15 April 2023 following a power struggle within the transitional administration established after the 2021 coup. As of 5 February 2025, the conflict has forcibly displaced 12 million people, with 3.5 million fleeing the country as refugees, making it one of the largest displacement crises in recent history.

ongoing civil war in the state of Yemen

1962–1970 civil war in North Yemen

indirect conflict between Iran and Saudi Arabia

conflict of 1811-1818

2004–2014 Houthi rebellion, escalating into the Yemen Civil War

House of Saudi Arabia kingdom claim

war between Saudi Arabia and the Kingdom of Yemen in 1934

Military campaign against Islamist extremist militant groups in Syria led by the United States of America

armed conflict in Iraq

1924–1925 conflict between the Sultanate of Nejd and the Kingdom of Hejaz

battle fought between Saudi Arabia and Yemen

1927 uprising in Saudi Arabia

Clashes and airstrikes in Jazan, Najran and Asir in southern Saudi Arabia

1913 event in the unification of Saudi Arabia

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