January 14 is the 14th day of the year in the Gregorian calendar; 351 days remain until the end of the year (352 in leap years).
1236 – King Henry III of England marries Eleanor of Provence 1784 – American Revolutionary War: Ratification Day, United States: Congress ratifies the Treaty of Paris with Great Britain.
1899 – RMS Oceanic, the largest ship afloat since SS Great Eastern, is launched.
1900 – Giacomo Puccini's Tosca opens in Rome.
1907 – An earthquake in Kingston, Jamaica kills more than 1,000 people.
1911 – Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
1943 – World War II: Japan begins Operation Ke, the successful operation to evacuate its forces from Guadalcanal during the Guadalcanal campaign.
1943 – World War II: Franklin D. Roosevelt and Winston Churchill begin the Casablanca Conference to discuss strategy and study the next phase of the war.
1952 – NBC's longrunning morning news program Today debuts, with host Dave Garroway.
1954 – The Hudson Motor Car Company merges with Nash-Kelvinator Corporation forming the American Motors Corporation.
1954- Joe DiMaggio and Marilyn Monroe wed. They will divorce in October that same year.
1960 – The Reserve Bank of Australia, the country's central bank and banknote issuing authority authorized by the 1959 Reserve Bank Act, is established.
1967 – Counterculture of the 1960s: The Human Be-In takes place in San Francisco, California's Golden Gate Park, launching the Summer of Love.
1969 – USS Enterprise fire: An accidental explosion aboard the USS Enterprise near Hawaii kills 28 people.
1972 – Queen Margrethe II of Denmark ascends the throne, the first Queen of Denmark since 1412 and the first Danish monarch not named Frederik or Christian since 1513.
1973 – Elvis Presley's concert Aloha from Hawaii is broadcast live via satellite, and sets the record as the most watched broadcast by an individual entertainer in television history.
2010 – Yemen declares an open war against the terrorist group al-Qaeda.
2011 – President Zine El Abidine Ben Ali of Tunisia seeks refuge in Saudi Arabia after a series of demonstrations against his regime, considered to be the birth of the Arab Spring.
2016 – Multiple explosions reported near the Sarinah Building, Jakarta, followed by shootout between perpetrators and the police, killing seven people. The Islamic State of Iraq and the Levant claimed responsibility.
2024 – Queen Margrethe II abdicates as Queen of Denmark and is succeeded by her son, Frederik X.