What day of the week was April 21, 1918?

The day of the week April 21st, 1918 fell on was a Sunday.

Eddy Christiani the Dutch singer-songwriter and guitarist was born on 21 April in 1918.

Manfred von Richthofen the German captain and pilot (b. 1892) died on this day in 1918.

World War I: German fighter ace Manfred von Richthofen the better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.