Armor-clad knights play a game of baseball in which author's 1889 novel?

Arlington National Cemetery holds the mast of which U.S. battleship that exploded in Havana harbor in 1898? Armagnac, from Gascony in southwestern France, is what type of spirit? Armand Jean du Plessis, who became chief minister to Louis XIII in 1624, is better known by what title? In 1991, Armenia declared its independence from which collapsing state? Louis Armstrong performed in a 1947 film that shares its name with his hometown. What is its title? Louis Armstrong used which nickname as the title of his 1954 autobiography? In the military, a dining hall where troops eat is called what kind of hall? Which type of U.S. military discharge ranks below a bad-conduct discharge as the most severe?