On This Day for May 22 - Roman Emperor Constantine I baptized, Sir Arthur Conan Doyle is featured, and more

This message contains graphics. If you do not see the graphics, click here to view. May 22 FEATURED BIOGRAPHY Sir Arthur Conan Doyle READ MORE   FEATURED EVENT 337 Roman Emperor Constantine I baptized READ MORE   Advertisement Advertisement   MORE EVENTS ON THIS DAY 2011: One of the deadliest tornadoes in U.S. history struck Joplin, Missouri, causing massive damage and killing some 160 people. [Take our natural disasters quiz.] 1992: American comedian Johnny Carson, considered by many to be the king of late-night television, made his final appearance as host of The Tonight Show. 1972: Richard Nixon arrived in Moscow, the first visit by a U.S. president to the Soviet Union. [ Test your knowledge of U.S. presidents.] 1960: One of the largest earthquakes on record struck the southern coast of Chile, killing about 5,700 people and creating seismic sea waves that caused death and destruction in distant Pacific coastal areas, notably Japan and Hawaii. [Sort fact from fiction in our quiz about Chile.] 1942: Mexico entered World War II by declaring war on Germany, Italy, and Japan. [Test your knowledge of World War II.] 1939: Adolf Hitler of Germany and Benito Mussolini of Italy signed the Pact of Steel, a full military and political alliance between their countries. [Take our quiz about Adolf Hitler.] SEE ALL EVENTS ON THIS DAY ALSO BORN ON THIS DAY 1987 Novak Djokovic Serbian tennis player 1859 Arthur Conan Doyle British author 1942 Ted Kaczynski American criminal 1813 Richard Wagner German composer 1907 Laurence Olivier British actor, director, writer, and producer 1946 George Best Irish-born football player SEE ALL BIOS ON THIS DAY   Advertisement   FOLLOW: To unsubscribe from Britannica e-mails, click here. Encyclopædia Britannica 325 N. LaSalle Street, Suite 200 Chicago, Illinois 60654 United States © 2020 Encyclopaedia Britannica, Inc. Privacy Policy • Help