May 9

328 – Athanasius is elected Patriarch of Alexandria. 1009 – Lombard Revolt: Lombard forces led by Melus revolt in Bari against the Byzantine Catepanate of Italy. 1386 – England and Portugal formally ratify their alliance with the signing of the Treaty of Windsor, making it the oldest diplomatic alliance in the world which is still in force. 1450 – 'Abd al-Latif (Timurid monarch) is assassinated. 1540 – Hernando de Alarcón sets sail on an expedition to the Gulf of California. 1662 – The figure who later became Mr. Punch makes his first recorded appearance in England. 1671 – Thomas Blood, disguised as a clergyman, attempts to steal England's Crown Jewels from the Tower of London. 1726 – Five men arrested during a raid on Mother Clap's molly house in London are executed at Tyburn. 1864 – Second Schleswig War: The Danish navy defeats the Austrian and Prussian fleets in the Battle of Heligoland. 1865 – American Civil War: Nathan Bedford Forrest surrenders his forces at Gainesville, Alabama. 1865 – American Civil War: President Andrew Johnson issues a proclamation ending belligerent rights of the rebels and enjoining foreign nations to intern or expel Confederate ships. 1873 – Der Krach: The Vienna stock exchange crash heralds the Long Depression. 1877 – Mihail Kogălniceanu reads, in the Chamber of Deputies, the Declaration of Independence of Romania. The date will become recognised as the Independence Day of Romania. 1901 – Australia opens its first national parliament in Melbourne. 1915 – World War I: Second Battle of Artois between German and French forces. 1918 – World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium. 1920 – Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk. 1926 – Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.) 1927 – The Old Parliament House, Canberra, Australia, officially opens.