April 19 1775 The American Revolution begins. The American Revolution was the political upheaval during the last half of the 18th century in which thirteen colonies in North America joined together to break free from the British Empire, combining to become the United States of America.
The Royal Proclamation of 1763 was issued by King George III to establish the basis of government administration in the north American territories formally ceded by France to Britain in the Treaty of Paris 1763 following the Sever Years War.
... King George III's Proclamation of 1763 set the boundaries between the English colonies and Indian territory, the new United States looked to expand well beyond these lines. Description from ushistory.org. I searched for this on bing.com/images