Annexed by Russia in 1801, which Caucasus country regained its independence in 1991 after nearly 200 years of Russian and Soviet rule?

After NATO admitted West Germany in 1955, the USSR and its satellites met and formed which alliance? After NBC canceled which Sam Waterston series in 1993, PBS produced a movie to wrap up its loose ends? After nearly 10 years of continuous occupation by astronauts, which space station was deorbited in 2001? After nearly 100 years, which company dropped its Oldsmobile brand in 2004? In which 1954 sci-fi classic do giant ants, mutated by nuclear tests, terrorize Los Angeles? After his defeat in the English Civil War, Charles I was beheaded in 1649 outside the Banqueting House of which London… Who, after observing a comet in 1682, showed that it was the same one seen in 1607, 1531 and 1456? Which satirist, author of "A Modest Proposal", died in Dublin on October 19, 1745?