1775 - The Second Continental Congress assembled in Philadelphia, Pennsylvania; Ethan Allen (1737/1738-1789) [OS/NS Dates1] and Benedict Arnold (1740/1741-1801) [OS/NS Dates] led an attack on Fort Ticonderoga in upstate New York.
1869 - The Transcontinental Railroad was completed.
1940 - Winston Leonard Spencer Churchill (1874-1965) became Prime Minister.
1990 - The Tiananmen Square prisoners were released.
1994 - Nelson Rolihlahla Mandela (1918- ) was inaugurated and became the first Black African President of South Africa; he was the 11th President of South Africa from 27 April 1994 to 14 June 1999.
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1Old Style (OS) and New Style (NS) Dates:
http://www.cree.ie/genuki/dates.htm
http://www.bartleby.com/65/ca/calendar.html
http://en.wikipedia.org/wiki/Old_Style_and_New_Style_dates
