Template:On this day/21 September
- 1745 – A Hanoverian airmy is defeatit, in ten meenits, bi the Jacobite forces o Prince Charles Edward Stuart.
- 1898 – Empress Dowager Cixi seizes pouer an ends the Hunder Days' Reform in Cheenae.
- 1937 – J. R. R. Tolkien's The Hobbit is published.
- 1942 – The Holocaust in Ukraine: In Dunaivtsi, Ukraine, Nazis murther 2,588 Jews.
- 1949 – The Fowkrepublic o Cheenae is proclaimed.
H. G. Wells (b. 1866) · Leonard Cohen (b. 1934) · Shinzō Abe (b. 1954)