An August 5, 1861, act of Congress imposed a 3% tax on what, for amounts over $800?

Sweden's future King Gustaf VI Adolf, an athlete in his youth, helped organize the 1912 Olympics in which city? Which cyclist wrote the 2000 memoir "It's Not About the Bike" about his recovery from cancer? Which winter sport combines cross-country skiing with rifle shooting? An audio oscillator was the first product of which company, founded in 1939 by two Stanford classmates? An August 1999 government report described strain on schools from the "echo" of which population surge? In a 1975 hoax, an Australian news show reported the country was converting to what kind of time, with 100 minutes in a… Which public university has its flagship campus in Austin? Complete the title of the Australian children's TV show: "Bananas in ___".