There are cold war in between USA and oil rich countries are very long, in this part first they killed Saddam Husain and then Bagdadi, and still USA thinking to capture oil rich area of the world, in this regard USA is helping in various ways and doing other things wahtever USA can do, so here is a clear, exam-ready USA vs Iran conflict timeline (in English) 👇

1953 – Beginning of Tensions

• The U.S. backed a coup in Iran to overthrow Prime Minister Mohammad Mossadegh.
• This created long-term resentment in Iran. (Al Jazeera)

1979 – Islamic Revolution & Hostage Crisis

• Iran overthrew the U.S.-backed Shah.
• Iranian students seized the U.S. Embassy in Tehran and took 66 Americans hostage. (Encyclopedia Britannica)
  👉 This marked the start of open hostility.

1980–1988 – Iran–Iraq War

• The U.S. supported Iraq against Iran.
• 1988: U.S. launched Operation Praying Mantis and shot down an Iranian civilian plane (290 killed). (Wikipedia)

1990s – Sanctions Era

• The U.S. imposed economic sanctions on Iran.
• Trade and oil relations were restricted. (Wikipedia)

2002–2006 – Nuclear Tensions Begin

• Iran’s nuclear program was exposed.
• International pressure and negotiations started. (PBS)

2015 – Nuclear Deal (JCPOA)

• Iran and world powers (including the U.S.) signed a deal to limit Iran’s nuclear program.

2018 – U.S. Withdraws from Deal

• The U.S. exited the nuclear deal and reimposed sanctions.
  👉 Tensions increased again.

2020 – Killing of Qassem Soleimani

• The U.S. killed Iran’s top general Qassem Soleimani in a drone strike.
• Iran retaliated by attacking U.S. bases in Iraq.

2023–2024 – Proxy Conflicts Rise

• Iran-backed groups targeted U.S. forces in the Middle East.
• Conflicts increased indirectly (proxy wars).

June 2025 – First Direct Major Strike

• The U.S. carried out airstrikes on Iran’s nuclear facilities. (HISTORY)

Feb 28, 2026 – Full-Scale Escalation

• The U.S. (with allies) launched large-scale strikes on Iran under “Operation Epic Fury.” (Encyclopedia Britannica)
• Hundreds of targets were hit in the first hours.

2026 – Ongoing Conflict

• Thousands of strikes, rising casualties, and global oil disruption reported. (Wall Street Journal)
• Conflict continues with high tension.

Final Summary

👉 USA–Iran conflict started in 1953, became intense after 1979, and has evolved from political tension → sanctions → proxy wars → direct military confrontation (2025–2026).