Today is Thursday, July 28, the 209th day of 2011. There are 156 days left in the year.
1586 ― Sir Thomas Harriot introduces potatoes to Europe
1588 ― Spanish Armada sails to overthrow England's Queen Elizabeth I
1866 ― Metric system becomes a legal measurement system in U.S.
1882 ― The opera ``Parsifal" is produced (Bayreuth)
1900 ― Hamburger created by Louis Lassing in Connecticut
1942 ― Nazis liquidate 10,000 Jews in Minsk Russia
1943 ― Italian Facist dictator Benito Mussolini resigns
1959 ― Hawaii's first U.S. election sends first Asian-Americans to Congress
1984 ― 23rd modern Olympic Games opens in Los Angeles
1991 ― Miguel Indurain of Spain wins the Tour de France bicycle race