1st » The RMS called Lusitania departs from New York City on her two hundred and second, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
3rd » The poem 'In Flanders Fields' is written by Lieutenant Colonel John McCrae.
7th » World War I: Germany German submarine SMU U-20 Germany 2 sinks Sinking of the RMS Lusitania RMS 'Lusitania', killing 1,198 people including 128 Americans. Public reaction to the sinking turns many formerly pro-Germans in the United States against the Germ
7th » Japanese Twenty-one Demands Japanese ultimatum or 21 Demands Ultimatum to China (Commemorated as National Day of Humiliation)
9th » World War I: Second Battle of Artois between German and French forces.
17th » The last The Liberal Party (UK) e.g British Liberal Party government (led by Herbert Henry Asquith) falls.
22nd » Lassen Peak erupts with a powerful force, and is the only mountain other than Mount St. Helens to erupt in the contiguous US during the 20th century.
22nd » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246; the accident is found to be the result of non-standard operating practices during a shift change at a busy junction.
23rd » World War I: Italy joins the Allies of World War I named Allies after they declare war on Austria-Hungary.
24th » World War I: Kingdom of Italy called Italy declares war on Austria-Hungary.
Famous Birthdays on May in 1915
1st » Hanns Martin Schleyer, German businessman (d. 1977)
1st » Archie Williams, American runner and educator (d. 1993)
2nd » Doris Fisher (singer) named Doris Fisher, American singer-songwriter (d. 2003)
2nd » Peggy Mount, English actress (d. 2001)
3rd » Stu Hart, Canadian wrestler and trainer, founded Stampede Wrestling (d. 2003)
5th » Alice Faye, American actress and singer (d. 1998)
6th » Orson Welles, American actor, director, producer, and screenwriter (d. 1985)
6th » Theodore H. White, American historian, journalist, and author (d. 1986)
8th » John Archer (actor) or John Archer, American actor (d. 1999)
8th » Milton Meltzer, American historian and author (d. 2009)