1768 – The first edition of the Encyclopaedia Britannica is published.
1865 – The Thirteenth Amendment to the United States Constitution was ratified, banning slavery.
1877 - Washington Post publishes 1st edition
1884 – The Washington Monument in Washington D.C. is completed. It took almost 50 years for its completion.
1922 - 1st electric power line commercial carrier in US, Utica, NY
1923 - 1st US Presidential address broadcast on radio by President Calvin Coolidge
2006 – NASA revealed photographs taken by Mars Global Surveyor suggesting the presence of liquid water on Mars.
1823 - Friedrich Max Müller, German orientalist (d. 1900)
1898 - Gunnar Myrdal, Sweden, sociologist/economist (Nobel 1974)
History and Importance of the Day - Index of the Year