May 1 is the 121st day of the year. There are 244 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Friday or Sunday (58 in 400 years each) than on Wednesday or Thursday (57), and slightly less likely to occur on a Monday or Saturday (56).
+ 1930 – The dwarf planet Pluto is officially named.
+ 1931 – The Empire State Building is dedicated in New York City.
+ 1956 – The polio vaccine developed by Jonas Salk is made available to the public.
+ 1967 – Elvis Presley and Priscilla Beaulieu are married in Las Vegas.
+ 1999 – SpongeBob SquarePants premieres on Nickelodeon after the 1999 Kids' Choice Awards.
+ 1918 – Jack Paar, American comedian, author and talk show host (d. 2004)
+ 1945 – Rita Coolidge, American singer-songwriter
+ 1967 – Tim McGraw, American singer-songwriter and actor