https://www.history.com/this-day-in-history United Empire Loyalists reach Canada-1783. Siege of Vicksburg commences-1863. One million protesters take to the streets of Bejing-1989. Mount St. Helens erupts-1980. India tests it's first nuclear weapon-1974. Kiowa Chief Santana massacres teamsters near Red River in Texas-1871. NVA and VC forces attack and are repulsed at Xuan Loc-1969. U.S. Congress passes Selective Service Act-1918. Germany launches Operation Alaric; occupying Italy-1943. Polish Corps takes Monte Cassino-1944. NATIONAL PIZZA PARTY DAY!! NATIONAL BIKE TO WORK DAY!! NATIONAL NO DIRTY DISHES DAY!! NATIONAL ENDANGERED SPECIES DAY!! NASCAR DAY!! NATIONAL CHEESE SOUFFLÉ DAY!! NATIONAL DEFENSE TRANSPORTION DAY!!