An al-Qaeda-inspired terrorist group kills 191 people in a series of coordinated bombings at commuter trains and stations in Madrid, Spain.
Iran and the United Kingdom break diplomatic relations over the fatwa issued by Ayatollah Khomeini against writer Salman Rushdie.
Winston Churchill uses the phrase "Iron Curtain" for the first time during a speech in Westminster College, Missouri.
Sudanese President Omar al-Bashir becomes the first sitting head of state to be indicted by the International Criminal Court.
President Woodrow Wilson learns of the Zimmermann Telegram, a message from Germany to Mexico proposing an alliance in the event of a war with the United States.