Some necessary dates in Iran's latest historical past:
1794 – Mohammad Khan Qajar seizes energy and establishes the Qajar dynasty.
1921 – Navy commander Reza Khan seizes energy and is later topped Reza Shah Pahlavi.
1941 – Britain and Russia occupy Iran in World Conflict II.
1953 – Coup deliberate by British and US secret providers overthrows Prime Minister Mohammad Mosaddegh.
1979 – The Iranian revolution overthrows the Shah.
1980-1988 -Iran-Iraq Conflict.
1989 – Ayatollah Khomeini, the supreme chief and founding father of the Islamic Republic, dies and is changed by Ayatollah Ali Khamenei.
1997 – The reformist Mohammad Khatami is elected president in a landslide.
2004 – The US says Iran's nuclear program is a rising risk and requires worldwide sanctions.
2005 – The hardliner Mahmoud Ahmadinejad is elected president.
2009 – Ahmadinejad is re-elected in a disputed election that sparked months of mass protests referred to as the Inexperienced Motion.
2013 – The average Hassan Rouhani is elected president.
2015 – Iran and main world powers attain settlement over its controversial nuclear actions. Tehran agrees to chop its nuclear program in return for partial sanctions reduction.
2018 – The US withdraws from the 2015 worldwide settlement on Iran's nuclear program and imposes sanctions on Tehran.
2020 – Qasem Soleimani, head of the IRGC's exterior arm, referred to as the Quds Pressure and arguably probably the most highly effective determine in Iran after Ayatollah Khamenei, is assassinated by the US in Iraq.
2021 – The hardliner Ebrahim Raisi is elected president.
2022 – Nationwide mass protests following the loss of life of Mahsa Amini in police custody.
2024 – President Raisi dies in a helicopter crash, the reformist Masoud Pezeshkian is subsequently elected president.