Happy Day It s TUESDAY Here are some fun facts about Tuesdays Tuesday a weekday following Monday and preceding Wednesday gets its name from the Norse god Tyr the god of war and heroic glory in Norse mythology In many cultures Tuesday is associated with war and battles often linked to deities like Mars or Ares It s also known for Mardi Gras Fat Tuesday the day before Ash Wednesday and Super Tuesday a day when many U S states hold their presidential primary elections nbsp