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This Day in Military History


America has thousands of years of rich and diverse history dating back before the arrival of Columbus in 1492. In a world that has changed so much, do you ever wonder what happened on this day in history? On this day, July 3rd…


George Washington, appointed commander in chief by the Continental Congress, formally takes command of the Continental Army.


The Wyoming Massacre, an encounter during the American Revolutionary War between American Patriots and Loyalists, killed 360 American settlers in Wyoming Valley, Pennsylvania.


Ambassador Caleb Cushing signed the Treaty of Wanghia with China that opened five Chinese ports to U.S. merchants and protected rights of American citizens in China. The treaty stated that only U.S. Consul officials could try Americans for crimes committed in China.


Officially the third day of the Battle of Gettysburg in southern Pennsylvania and the attack commonly known as Pickett’s Charge. Pickett’s Charge ended disastrous for the Confederates and forced General Lee to retreat, abandoning his original plan to reach Washington D.C. via Pennsylvania.


Battle of Chattahoochee River, GA began. During the Civil War, part of the Union naval strategy was to blockade Southern ports, thus closing access to the Chattahoochee River systems at Apalachicola, Florida. In response, the Confederate navy built a steam-powered gunship, the CSS Chattahoochee, and an ironclad, the CSS Jackson, in an attempt to break the blockade. 


Idaho becomes 43rd state.


The U.S. Navy defeats Spanish fleet in Santiago harbor, Cuba as part of the Battle of Santiago de Cuba.


U.S. military forces occupied Haiti.


Congress passed a bill that created the Veterans Administration.


U.S. forces of the 1st Army launch an offensive drive south from the Cotentin Peninsula with the objective of reaching a line from Coutances to St. Lo.


The first American occupation troops arrive in Berlin.


American B-29 bombers attack Himeji, on Honshu, and the towns of Takamatsu, Tokushima, and Kochi on Shikoku Island.


U.S. Navy cruiser Vincennes shoots down an Iranian passenger jet in the Persian Gulf that is mistaken for a hostile Iranian fighter aircraft.


Lockheed Martin Corp. won a $1 billion federal contract to build the next-generation space shuttle.


The first Coast Guard’s Maritime Safety and Security Teams (MSSTs), MSST-91101 was commissioned in Seattle, Washington. MSSTs are domestic, mobile units that possess specialized training to perform a broad spectrum of port safety and security, created in response to the terrorist attacks on September 11, 2001.


U.S. troops killed 11 Iraqis who ambushed a convoy outside Baghdad.


ISIS captured Syria’s largest oilfield from rival Islamist fighters, Al-Nusra Front.



Library of Congress

Encyclopedia Britannica

“This Day in U.S. Military History.” 2005.


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