May 21: World Day for Cultural Diversity for Dialogue and Development Busoni c. 1897 1138 – The Crusades: The siege of Shaizar ended, and the Emir of Shaizar became a vassal of the Byzantine Empire. 1864 – American Civil War: The inconclusive Battle of Spotsylvania Court House in Virginia ended with combined Union and Confederate casualties totaling around 31,000. 1894 – The Manchester Ship Canal, linking Manchester in North West England to the Irish Sea, officially opened, becoming the world's largest navigation canal at the time. 1925 – The opera Doktor Faust, unfinished when composer Ferruccio Busoni (pictured) died, was premiered in Dresden. 2014 – A Taiwanese man carried out a stabbing spree on a Taipei Metro train, killing four people and injuring 24 others. Feng Dao (d. 954)Tommaso Campanella (d. 1639)Armand Hammer (b. 1898)Linda Laubenstein (b. 1947) More anniversaries: May 20 May 21 May 22 Archive By email List of days of the year About