• 1776, Deceleration of Independence sighed.
• 1802, West Point Military Academy Opens
• 1837, Grand Junction Railway Opens between Birmingham and Liverpool.
• 1863, Siege of Vicksburg, Confederates Surrender to Union Forces
• 1886, The Canadian Pacific Railway's first scheduled train from Montreal arrives in Port Moody.
• 1894, Short lived Republic of Hawai'i proclaimed by Sanford B. Dole.
• 1914, Funeral of Archduke Franz Ferdilnand and his wife, Sophie, 6 days after their assassination.
• 1918, Tsar Nickolas II and his family is killed by the Bolsheviks.
• 1927, First Flight of the Lockheed Vega
• 1943, Battle of Kursk begins.
• 1946, Philippines gains full independence.
• 1997, N.A.S.A.'s Pathfinder Probe lands on mars.
• 1998, Japan launches the Nozomi probe to Mars.
• 2001, Vladivostock Air Flight 352 crashes on approach.
• 2004, Greece beets Portugal in the ]UEFA Euro 2004 Final.
• 2006, STS-121 launches on Indepdence day, making the only Space Shuttle flight to do so.

This is a short list from July 4's Wikipedia page with intresting things related to this group. Others are welcomed to do this if they like.