1340: Battle of Rio Salado (or Tarifa): King Afonso IV of Portugal and King Alfonso XI of Castile defeat Sultan Abu al-Hasan ‘Ali of Morocco and Yusuf I of Granada, last Marīnids invasion of Iberian Peninsula

1899: Battle of Ladysmith, Natal: Boers defeat the British, leading to the Siege of Ladysmith

1905: “October Manifesto” Russian Tsar Nicholas II grants civil liberties and accepts the first Duma (Parliament)

1917: British government gives final approval to Balfour Declaration

1973: The Bosphorus Bridge in Istanbul, Turkey is completed, connecting the continents of Europe and Asia over the Bosporus for the first time

Source: Onthisday.com