1215:
Following a revolt by the English nobility against his rule, King John puts his royal seal on the Magna Carta.
1775:
George Washington is named Commander in Chief by Congress.
1779:
American General Anthony Wayne captures Stony Point, New York.
1863:
President Abraham Lincoln put out an emergency call for 100,000 troops from the state militias of Pennsylvania, Maryland, Ohio, and West Virginiain to help protect the capital.
1864:
The Battle for Petersburg begins.
1866:
Prussia attacks Austria.
1877:
Henry O. Flipper becomes the first African American to graduate from the U.S. Military Academy at West Point.
1915:
French airmen bomb Karlsruhe.
1917:
Great Britain pledges the release of all Irish captured during the Easter Rebellion of 1916.
1917:
A German counter attack south east of Ypres is repulsed.