Revolutionary Wars: The Committee of Public Safety is established in France, with Georges Danton as its head. April 9 – Edmond-Charles Genêt, France's new Minister to the United States, arrives at Charleston, South Carolina. April 22 – George Washington signs the Neutrality Proclamation. April 25 – The pioneer parishes of New Orleans and Louisiana are erected, as well as incorporated into the Diocese of Louisiana and the Two Floridas. May 25 – French expedition to Sardinia: The last French troops occupying the small Sardinian island of San Pietro surrender to a Spanish fleet. May 31 – French Revolution: Regular troops under François Hanriot demand that the Girondins be expelled from the National Convention. June – The Macartney Embassy, a British diplomatic mission to China led by George Macartney, 1st Earl Macartney, reaches Canton, but will be rebuffed by the Qianlong Emperor. June 2 – French Revolution: The Girondins are overthrown in France. June 10 – French Revolution: The Jardin des Plantes and the Muséum national d'histoire naturelle are created by the National Convention. The museum opens in Paris the following year, and the garden houses one of the first public zoos. June 21 – The town of Hamilton, Massachusetts, is incorporated. July–December July 9 – The Act Against Slavery is passed in Upper Canada. July 13 – French Revolution: Charlotte Corday kills Jean-Paul Marat in his bath. July 17 – French Revolution: Charlotte Corday is executed. July 20 – Scottish explorer Alexander Mackenzie's 1792–1793 Peace River expedition to the Pacific Ocean reaches its goal at Bella Coola, British Columbia, making him the first known person to complete a transcontinental crossing of northern North America. July 29 – John Graves Simcoe decides to build a fort and settlement at Toronto, having sailed into the bay there. July 31 – Oulu Castle in Finland is destroyed in an explosion following the burning of a powder cellar. August – France decrees all the slaves on Saint-Domingue to be free. August 1–November 9 – The yellow fever epidemic of 1793 hits Philadelphia, Pennsylvania; 5,000 die. August 10 – French Revolution – Feast of Unity Crowds in Paris burn monarchist emblems. The Louvre in Paris opens to the public as an art museum. August 23 – French Revolution: The following universal conscription decree is enacted in France: "The young men shall go to battle and the married men shall forge arms. The women shall make