In slang, a "fin" is a bill of what dollar value?

A film of which president reviewing troops was shot in Pittsburgh on August 28, 1899; he himself was shot in 1901? Which Native American nation's World War II code talkers used their language to baffle Japanese codebreakers? Which New York bridge, opened in 1883, did con men famously claim to "sell" to gullible buyers? In "Gulliver's Travels", what are the filthy, brutish humanlike creatures called? Which Agatha Christie mystery play debuted in London's West End in 1952? Complete the idiom for a messy situation: "a fine kettle of..." An 1851 fire destroyed some 35,000 volumes in the collection of which institution? A fire that swept through a dance hall on October 29, 1998, killed 63 people in Gothenburg, in which country?