Historical milestones observed on September 28

September 28 marks several significant historical milestones across various nations. In 1787, the United States Congress voted on the American Constitution. In 1821, Mexico signed the final act for its independence from Spain. Other notable events include Toronto becoming the capital of Ontario in 1867 and the founding of FC Porto in Portugal in 1893.

In Greek history, the date is marked by the 1916 National Schism, where the country was divided between two rival governments: one in Thessaloniki led by Eleftherios Venizelos and another in Athens under King Constantine I, due to disagreements over involvement in World War I. In 1922, the Armistice of Mudanya was signed between the Allies and Kemalist Turkey. Additionally, in 1946, King George II returned to the throne in Athens following a referendum where 69% of voters supported the monarchy.