1492 – King Ferdinand and Queen Isabella of Spain issued an edict expelling Jews unwilling to convert to Christianity.
1889 – The Eiffel Tower is officially opened.
1918 – Daylight saving time goes into effect in the United States for the first time.
1968 – President Lyndon B. Johnson made a surprise announcement that he would not run for re-election.
1976 – The New Jersey Supreme Court ruled that coma patient Karen Anne Quinlan could be disconnected from her respirator. (Quinlan remained comatose and died in 1985.)
