1776 States of America declared independence from Britain
1863- Vicksburg, the last Confederate stronghold on the Mississippi River, surrendered to General Grant and the Army of the West after a six week siege. With the Union in control of the Mississippi, the Confederacy was effectively split in two, cut off from its western allies.
Birthday - Calvin Coolidge (1872-1933) the 30th U.S. President was born in Plymouth, Vermont. He became President on August 3, 1923, after the death of Warren G. Harding. In 1924, Coolidge was elected President
USA - Independence Day - 4th July
4 July Knowledge History - Science, Engineering and Management
4 July 2012 Discovery of Higgs Bosons announced