It is the 182nd day of the year, with only 183 days remaining until the end of the year.
1862 - The Battle of Malvern Hill takes place. It is the final battle in the Seven Days Campaign, part of George B. McClellan's Peninsula Campaign.
1863 - The Battle of Gettysburg begins, with Union General John Buford engaging enemy forces. The Union was collapsing, sending the defenders retreating through the city streets, taking up positions on the high ground outside Gettysburg.
1870 - The United States Department of Justice formally comes into existence.
1874 - The Sholes and Glidden typewriter, the first commercially successful typewriter, goes on sale.
1898 - The Battle of San Juan Hill is fought in Santiago de Cuba.
1908 - SOS is adopted as the international distress signal.
1915 - Lieutenant Kurt Wintgens achieves the first known aerial victory with a synchronized gun-equipped fighter plane, the Fokker M.5K/MG Eindecker.
1916 - On the first day of the Battle of the Somme, 19,000 soldiers of the British Army are killed and 40,000 wounded.
1963 - ZIP codes are introduced for the United States mail.
1968 - Formal sepation of the United Auto Workers from the AFL-CIO.
1979 - Sony introduces the Walkman.
1984 - The PG-13 rating is introduced by the MPAA.
2002 - The International Criminal Court is established to prosecute individuals for genocide, crimes against humanity, war crimes, and the crimes of aggression.