List of 1774 Major News Events in History, Most Important Historical Events in 1774
| Date | Event |
|---|---|
| January 21, 1774 | Abdul Hamid I becomes Sultan of the Ottoman Empire and Caliph of Islam. |
| March 31, 1774 | American Revolution: The Kingdom of Great Britain orders the port of Boston, Massachusetts closed pursuant to the Boston Port Act. |
| May 10, 1774 | Louis XVI and Marie Antoinette become King and Queen of France. |
| June 2, 1774 | Intolerable Acts: The Quartering Act is enacted, allowing a governor in colonial America to house British soldiers in uninhabited houses, outhouses, barns, or other buildings if suitable quarters are not provided. |
| June 13, 1774 | Rhode Island becomes the first of Britain's North American colonies to ban the importation of slaves. |
| June 22, 1774 | The British pass the Quebec Act, setting out rules of governance for the colony of Quebec in British North America. |
| July 4, 1774 | Orangetown Resolutions are adopted in the Province of New York, one of many protests against the British Parliament's Coercive Acts. |
| July 21, 1774 | Russo-Turkish War (1768–74): Russia and the Ottoman Empire sign the Treaty of Küçük Kaynarca ending the war. |
| August 1, 1774 | British scientist Joseph Priestley discovers oxygen gas, corroborating the prior discovery of this element by German-Swedish chemist Carl Wilhelm Scheele. |
| September 1, 1774 | Massachusetts Bay colonists rise up in the bloodless Powder Alarm. |
| September 4, 1774 | New Caledonia is first sighted by Europeans, during the second voyage of Captain James Cook. |
| September 5, 1774 | First Continental Congress assembles in Philadelphia. |
| October 14, 1774 | American Revolution: The First Continental Congress denounces the British Parliament's Intolerable Acts and demands British concessions. |
| October 21, 1774 | The flag of Taunton, Massachusetts is the first to include the word "Liberty". |
| October 26, 1774 | American Revolution: The First Continental Congress adjourns in Philadelphia. |