1964    Tanganyika and Zanzibar merge to form Tanzania.

1996    The {{MV|Bukoba}} sinks in Tanzanian waters on Lake Victoria, killing nearly 1,000.

1998    The United States embassy bombings in Dar es Salaam, Tanzania and Nairobi, Kenya kill approximately 212 people.

1998    U.S. embassy bombings: the United States launches cruise missile attacks against alleged al-Qaida camps in Afghanistan and a suspected chemical plant in Sudan in retaliation for the August 7 bombings of American embassies in Kenya and Tanzania.

1998    A court in Taliban-controlled Afghanistan declares accused terrorist Osama bin Laden "a man without a sin" in regard to the 1998 U.S. embassy bombings in Kenya and Tanzania.

2002    The Igandu train disaster in Tanzania kills 281, the worst train accident in African history.