1862:
The first day of the Seven Days campaign begins with fighting at Oak Grove, Virginia.
1864:
Pennsylvania troops begin digging a tunnel toward the Rebels at Petersburg, Virginia, in order to blow a hole in the Confederate lines and break the stalemate.
1876:
Indians under the leadership of Sitting Bull and Crazy Horse defeat Lieutenant Colonel George Custer and much of his 7th Cavalry at the Battle of the Little Big Horn.
1920:
The Greeks take 8,000 Turkish prisoners in Smyrna.
1941:
Finland declares war on the Soviet Union.
1942:
Following his arrival in London, Major General Dwight D. Eisenhower takes command of U.S. forces in Europe.
1948:
The Soviet Union tightens its blockade of Berlin by intercepting river barges heading for the city.
1950:
The North Korean Peoples Army (NKPA) crossed the 38th Parallel at 0500 hours with 60,000 troops to launch an all-out offensive on the Republic of Korea. The United Nations Security Council, in the absence of the Soviet Union, adopted a resolution calling for the withdrawal of North Korean forces to the parallel.
1969:
The U.S. Navy turns 64 river patrol gunboats valued at $18.2 million over to the South Vietnamese Navy in what is described as the largest single transfer of military equipment in the war thus far.
841:
Charles the Bald and Louis the German defeat Lothar at Fontenay.
