Today is Saturday, July 28, the 210th day of 2012. 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
1943 ― Italian Fascist dictator Benito Mussolini resigns
1945 ― U.S. Senate ratifies U.N. Charter 89-2
1990 ― Blackout hits Chicago
1991 ― Miguel Indurain of Spain wins the Tour de France bicycle race
2061 ― 31st recorded perihelion passage of Halley's Comet