4th » Ottoman sultan Mehmed VI ascended to the throne.
4th » World War I: The Battle of Hamel, a successful attack by the Australian Corps against German positions near the town of Le Hamel, Somme called Le Hamel on the Western Front (World War I) e.g Western Front.
4th » Bolsheviks killed Tsar Nicholas II of Russia and his family (Julian calendar date).
9th » Great Train Wreck of 1918: In Nashville, Tennessee, an inbound local train collides with an outbound express killing 101 and injuring 171 people, making it the deadliest Train wreck e.g rail accident in United States history.
12th » The Imperial Japanese Navy battleship 'Japanese battleship Kawachi or Kawachi' blows up at Yamaguchi Prefecture known as Shunan, western Honshu, Japan, killing at least 621.
15th » World War I: The Second Battle of the Marne begins near the Marne (river) known as River Marne with a Germany or German attack.
17th » Nicholas II of Russia Tsar Nicholas II of Russian Empire Russia and his immediate family and retainers Shooting of the Romanov family are murdered by Bolshevik Cheka Chekists at the Ipatiev House in Yekaterinburg, Russian Soviet Federative Socialist Repub
17th » The RMS Carpathia, the ship that rescued the 705 survivors from the RMS Titanic, is sunk off Ireland by the German SMU U-55; five lives are lost.
21st » SMU U-156 2 shells Attack on Orleans Nauset Beach, in Orleans, Massachusetts.