Which U.S. military branch became a separate service under the National Security Act of 1947?

"Beauty School Dropout" is a song from which musical? Which Iowa artist painted "The Midnight Ride of Paul Revere" in 1931? Bebe Neuwirth won a 1997 Tony Award for playing murderess Velma Kelly in a revival of which musical? Who became first lady of California in 2003? After two more states joined the Union, the U.S. flag was changed in 1795 to show how many stars? Andy Warhol said he had the same lunch every day for 20 years, which helps explain why he began painting what in 1962? Which French president resigned in 1969 after voters rejected his proposals for constitutional reform? Which poet, who wrote "Because I could not stop for Death, he kindly stopped for me", died on May 15, 1886?