Misc: In 1892 E E Barnard at Lick discovers Amalthea, ---------- Jupiter moon. ?

Questions

The 1st U S federal holiday honoring Martin Luther King, jr. Was in what year?

The 25th U S president always wore a red carnation. He was _______ ______?

The alcohol found in wine, beer & liquor is known as grain alcohol or what?

'The amazing Spider Man' was one of the first comic books to have a story in which one of the supporting characters ____?

The angles inside a square total _______ degrees?