Events from 1774

Pierre-Simon Laplace begins work on celestial mechanics to prove solar system stability

Carl Wilhelm Scheele discovers chlorine in Sweden

Benjamin Jesty performs first cowpox experiment on family using darning needle

Quebec Act - French civil law preserved in Quebec, legal pluralism in British Empire

John Chapman born in Leominster, Massachusetts - future 'Johnny Appleseed' begins life during Revolutionary War

Treaty of Kuchuk-Kainarji - Catherine gains Crimean independence from Ottomans, Black Sea ports, protectorate over Orthodox