WASHINGTON, DC - OCTOBER 10: Memorial to Dr. Martin Luther King on October 10, 2012. The memorial is America's 395th national park. Pictureby Kropic17/162
LIBERIA - CIRCA 1968: A stamp printed in Liberia shows Martin Luther King Jr. (1929 - 1968), American civil rights leader, and Lincoln monument by Daniel Chester French, circa 1968 Stock Photosby popovaphoto19/201