A historic video Iranian Army Retaking Khorramshahr City, Khuzestan, Iran (Iran-Iraq War, 1982).

The Iran-Iraq War (1980-1988) was a devastating conflict between neighboring countries Iran and Iraq. Here's an overview:
Causes of the War:
1. Border disputes: Long-standing disagreements over the Shatt al-Arab waterway and Khuzestan province.
2. Ideological differences: Iran's Islamic Revolution (1979) vs. Iraq's secular Ba'athist regime.
3. Regional influence: Competition for dominance in the Middle East.
Key Events:
1. Iraq's invasion of Iran (September 22, 1980)
2. Iran's counterattack and capture of Khorramshahr (1982)
3. Iraq's use of chemical weapons (1983-1988)
4. Tanker War (1984-1988): Attacks on oil tankers in the Persian Gulf
5. US involvement: Supporting Iraq with intelligence and arms (1987-1988)
Consequences:
1. Human toll: Estimated 500,000-1 million deaths and 1-2 million injured
2. Economic costs: Billions of dollars in damages and lost revenue
3. Refugees: Millions displaced
4. Environmental damage: Oil spills and pollution in the Persian Gulf
Key Figures:
1. Ayatollah Khomeini (Iran's Supreme Leader)
2. Saddam Hussein (Iraq's President)
3. Ali Khamenei (Iran's President, later Supreme Leader)
Peace Agreement:
1. UN-brokered ceasefire (August 20, 1988)
2. Algiers Agreement (1975): Border disputes resolved
Legacy:
1. Lasting impact on regional politics and economies
2. Strengthened Iran's Revolutionary Guard
3. Weakened Iraq's economy and military
4. Contributed to the 2003 US-led invasion of Iraq.