Which sport is known as America's pastime?

Which war helped spread baseball's popularity across the United States?

What was the name of the first professional baseball team founded in 1869?

Which ballpark opened in 1912 is the oldest Major League Baseball stadium still in use?

What did the reserve clause in early baseball contracts prevent players from doing?

Which player broke Major League Baseball's color barrier in 1947?

What innovation did night games at Crosley Field in Cincinnati introduce to baseball in 1935?

Which city lost both its National League baseball teams to California in the 1950s?

What did the construction of enclosed stadiums like the Houston Astrodome in the 1960s allow baseball to overcome?

Which ballpark feature became a signature of the retro stadium movement that began with Camden Yards in 1992?