Today is the 188th day of 2012 and the 17th day of summer.
TODAY'S HISTORY: In 1785, Congress chose the dollar as the monetary unit of the United States and adopted a decimal coinage system.
In 1854, the Republican Party was formally launched at a convention in Jackson, Mich.
In 1885, Louis Pasteur successfully tested his vaccine against rabies.
In 1957, future Beatles bandmates John Lennon and Paul McCartney met for the first time in Liverpool, England.
TODAY'S BIRTHDAYS: Frida Kahlo (1907-1954), artist; Nancy Reagan (1921- ), actress/first lady; Merv Griffin (1925-2007), TV personality; George W. Bush (1946- ), 43rd U.S. president; Sylvester Stallone (1946- ), actor; Geoffrey Rush (1951- ), actor; 50 Cent (1975- ), rapper.
TODAY'S SPORTS: In 1933, Major League Baseball's first official All-Star Game was held at Comiskey Park in Chicago. The American League defeated the National League 4-2.
TODAY'S FACT: The Spanish dollar and Mexican peso remained legal tender in the United States until Congress passed the Coinage Act of 1857.
TODAY'S QUOTE: "The long run is a misleading guide to current affairs. In the long run we are all dead." -- John Maynard Keynes
TODAY'S NUMBER: 4 -- new penny designs the U.S. Mint issued in 2009, in celebration of the Lincoln penny's 100th anniversary.
TODAY'S MOON: Between full moon (July 3) and last quarter moon (July 10).