John Tyler, nicknamed "His Accidency," fathered how many children between 1815 and 1860?

As he predicted, Mark Twain died in 1910, a year when which object appeared, just as it had in 1835 when he was born? As head of the National Theatre, Peter Hall oversaw its 1976 move from which old London home? As head of the Teamsters union in 1964, who signed the union's first nationwide trucking contract? Celebrated in a 1958 rock oldie by the Big Bopper, the French town of Chantilly is known for producing which material? In 1953, Willie Thrower of the Chicago Bears became the first Black player in the modern NFL to play which position? "As I walk through this world, nothing can stop..." which 1962 No. 1 hit by Gene Chandler? Which actor won the Best Actor Oscar for the 1999 film "American Beauty"? As in 2004, which event at the 1896 Athens Olympics finished at the Panathenaic Stadium, won by national hero Spyridon…