May 18 is the 138th day of the year. There are 227 days remaining until the end of the year. This date is slightly more likely to fall on a Monday, Wednesday or Friday (58 in 400 years each) than on Saturday or Sunday (57), and slightly less likely to occur on a Tuesday or Thursday (56).
+1860 – Abraham Lincoln wins the Republican Party presidential nomination over William H. Seward, who later becomes the United States Secretary of State.
+1969 – Apollo program: Apollo 10 is launched.
+1980 – Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3 billion in damage.
+2005 – A second photo from the Hubble Space Telescope confirms that Pluto has two additional moons, Nix and Hydra.
( Births )
+1912 – Perry Como, American singer and television host (d. 2001)
+1920 – Pope John Paul II (d. 2005)
+1937 – Brooks Robinson, American baseball player and sportscaster
+1946 – Reggie Jackson, American baseball player and sportscaster
+1952 – George Strait, American singer, guitarist and producer