Saddam Hussein and al-Qaeda link allegations

The Saddam Hussein and al-Qaeda link allegations were based on false claims by the United States federal government alleging that a secretive relationship existed between Iraqi president Saddam Hussein and the pan-Islamist militant organization al-Qaeda between 1992 and 2003. US president George W. Bush used it as a main reason for invading Iraq in 2003.

Source: Wikipedia — Saddam Hussein and al-Qaeda link allegations (CC BY-SA 4.0)