Historical Events on October 30

19 significant historical events occurred on October 30. October 30 has seen several important diplomatic and military events throughout history, with ten notable occurrences on this date. The day is marked by treaty signings and armistice agreements. In 1864, the Treaty of Vienna ended the Second War of Schleswig. The Armistice of Mudros in 1918 concluded Ottoman Turkey's involvement in World War I. In 1943, the Moscow Declaration was signed among Allied Powers. Other major agreements on this date include the 1947 General Agreement on Tariffs and Trade, a key element in international trade regulation.