After about 1875, which Labrador bird was no longer seen and is now extinct?

After 1710, Jonathan Swift left the Whigs and joined which party? After 18 years in captivity starting at age 11, who titled her 2011 memoir "A Stolen Life"? After 18 years in exile, which leader returned to Argentina in 1973? After 182 years, the Post Office Department ceased to exist in 1971, replaced by which agency? After 1923, T.E. Lawrence used which surname as an alias, one shared by his friend, a noted playwright? After 1936, Serge Koussevitzky conducted the Berkshire music festival at Tanglewood, in which state? After 1946, which Berlin prison held Nazi war criminals convicted at Nuremberg? After 1961, when its namesake had fallen out of favor, which city was renamed Volgograd?