Gregorian calendar was adopted in England in 1752. That year, Wednesday, September 2, 1752, was followed by Thursday, September 14th, 1752, which caused the country to skip ahead eleven days.
1754 · Seven Years' War
The Seven Years' War began as a North American conflict then stretched between England and France. England, along with allies, battled France in America, India, and Europe, making it arguably the first global war. The conflict ended with the signing of the Treaty of Paris in 1763 and England was victorious. The Seven Years' war ultimately led to discontent in the colonies and the American Revolution.
1770 · Boston Tea Party
Thousands of British troops were sent to Boston to enforce Britain's tax laws. Taxes were repealed on all imports to the American Colonies except tea. Americans, disguised as Native Americans, dumped chests of tea imported by the East India Company into the Boston Harbor in protest. This escalated tensions between the American Colonies and the British government.