Problem: What is the alternative name of The Battle of Sharpsburg fought on 17th Septermber 1862, the bloodiest single day in the US Civil War, with 22,717 dead wounded or missing?
Answer: antietam

Problem: "From which poem by Keats did F Scott Fitzgerald get the title of his 1934 book ""Tender is the Night""?"
Answer: ode to nightingale

Problem: What were the Penny Black and the Two Pence Blue that first went on sale in England in May 1840?
Answer: postage stamps

Problem: What value American banknote has the United States Capitol on its reverse?
Answer:
50