1901: Vice President Theodore Roosevelt is sworn in as the 26th President of the United States upon the death of William McKinley, who was shot eight days earlier.1960
1960 : Iraq, Iran, Kuwait and Saudi Arabia form OPEC.
1975: Mother Elizabeth Ann Seton becomes the first native-born American saint in the Roman Catholic Church.
1979: Nur Muhammad Taraki, president and former prime minister of Afghanistan, is assassinated in a coup in which prime minister Hafizullah Amin seizes power.
1982: Bachir Gemayel, president-elect of Lebanon, is killed along with 26 others in a bomb blast in Beirut.