Leni says that Amelia Earhart flew across the Atlantic Ocean in 1937. This event actually happened in 1932; 1937 was the year when Earhart vanished while flying around the Earth along the equator.
One of the lyrics in Luna's rap about Calvin Coolidge is, "I've got a bunch of stuff to legislate". The lyric is in reference to Coolidge, who was a former President of the United States. In the American government, the president occupies the executive branch, while the congress occupies the legislative branch.