Answer: Nov. 11, 1921 Question: What poem inspired the tradition of wearing and planting poppy blossoms for Memorial Day? Answer: "In Flanders Fields" by John McCrae, M.D.

From hard-hitting history trivia to true and false questions with a generous 50/50 chance, these are the Memorial Day trivia questions and answers we're bringing to the party.

D: Antietam Answer: D. The deadliest single-day battle in American history was the Civil War’s Battle of Antietam, with 23,000 casualties, including 3,675 Union and Confederate soldiers killed. 2.

D: Antietam Answer: D. The deadliest single-day battle in American history was the Civil War’s Battle of Antietam, with 23,000 casualties, including 3,675 Union and Confederate soldiers killed. 2.