WHAT ALL HAPPENED JUNE TO SEPTEMBER 1775
Find out what all happened June to September 1775

American Revolutionary War: Colonists inflict heavy casualties on British forces while losing the Battle of Bunker Hill. (17. June 1775)

The American Revolutionary War's first naval engagement, the Battle of Machias, results in the capture of a small British naval vessel. (11. June 1775)

Benedict Arnold's expedition to Quebec leaves Cambridge, Massachusetts. (11. September 1775)

The office that would later become the United States Post Office Department is established by the Second Continental Congress. (26. July 1775)

The Olive Branch Petition is signed by the Continental Congress of the Thirteen Colonies. (8. July 1775)

American Revolutionary War: King George III delivers his Proclamation of Rebellion to the Court of St. James's stating that the American colonies have proceeded to a state of open and avowed rebellion. (23. August 1775)

The Spanish establish the Presidio San Augustin del Tucson in the town that became Tucson, Arizona. (20. August 1775)

American Revolution: British general Thomas Gage declares martial law in Massachusetts. The British offer a pardon to all colonists who lay down their arms. There would be only two exceptions to the amnesty: Samuel Adams and John Hancock, if captured, were to be hanged. (12. June 1775)

The Second Continental Congress adopts the Olive Branch Petition. (5. July 1775)

American Revolutionary War: Ethan Allen surrenders to British forces after attempting to capture Montreal during the Battle of Longue-Pointe. Benedict Arnold and his expeditionary company set off from Fort Western, bound for Quebec City. (25. September 1775)

American Revolutionary War: George Washington is appointed commander-in-chief of the Continental Army. (15. June 1775)

American Revolutionary War: The Invasion of Canada begins with the Siege of Fort St. Jean. (17. September 1775)

American Revolutionary War: the Continental Army is established by the Continental Congress, marking the birth of the United States Army. (14. June 1775)

American Revolutionary War: George Washington takes command of the Continental Army at Cambridge, Massachusetts. (3. July 1775)