ACROSS
4Usually held on the first Sunday of the month.
5The Treaty of Guadalupe Hidalgo ended.
8Mary beheaded in 1587.
9Limits the president to two terms.
12Published by Karl Marx and Friedrich Engels.
14The sixth state to ratify the new U.S. Constitution.
15His Saints' Day has been associated with romantic love.
19South African released from prison at age 71.
20The Space Shuttle that broke apart in flight over west Texas, in 2003.
21First US President to meet with Mao Tse-tung.
22Acquitted of impeachment charges in 1999.
23First president photographed.
24The city where the first public school was established.
DOWN
1CIA agent charged with spying for the Soviet Union.
2Celebrated in February to honor the contributions and sacrifices of African Americans.
3Guaranteed the right of citizens to vote, regardless of race.
6The groundhog of Groundhog Day.
7The birthstone for February.
10World War II bombing raids killed 135,000 German civilians.
11Blew up in Havana Harbor in 1898
13Captured.by U.S. troops in the south Pacific in 1943.
16The city where Martin Luther King and Rosa Parks were arrested.
17The Roman god of purification.
18The first American astronaut to orbit the earth.