649 – King Chindasuinth, at the urging of Bishop Braulio of Zaragoza, crowns his son Recceswinth co-ruler of the Visigoth kingdom.
1265 – The first English Parliament, comprising not only Lords but also representatives of the great cities, holds its first session in the Palace of Westminster, now commonly known as the “Houses of Parliament”.
1783 – The Kingdom of Great Britain signs provisional articles of peace with France, paving the way for the official end of hostilities in the American Revolutionary War later that year.
1841 – Hong Kong Island is occupied by the British.
1887 – The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
1921 – British K-class submarine HMS K5 sinks in English Channel; All 56 on board die.
1929 – The first full-length outdoor talkie, In Old Arizona, is released.
1936 – King George V of the United Kingdom dies. His eldest son ascended the throne and became Edward VIII. The title Prince of Wales is no longer used for another 22 years.
1937 – Franklin D. Roosevelt and John Nance Garner are inaugurated for their second terms as US President and US Vice President; It is the first time a presidential inauguration will take place on January 20 since the 20th Amendment changed the dates of presidential terms.
1942 – World War II: At the Wannsee Conference in Berlin-Wannsee, high-ranking Nazi German officials discuss the implementation of the “Final Solution to the Jewish Question”.
1949 – Point Four Program, a program of economic assistance to poor countries announced by President Harry S. Truman in his inaugural address for a full term as President.
1961 – John F. Kennedy is sworn in as the 35th President, becoming the second youngest man in office and the first Catholic.
1981 – Twenty minutes after Ronald Reagan’s inauguration as 40th President, Iran releases 52 American hostages.
2009 – Barack Obama is inaugurated as the 44th President, becoming the first African American President of the United States.
2017 – Donald Trump is sworn in as the 45th President, at the time he was the oldest incumbent.