June 13, 1921

On this date in Missouri history, the famous bear pits at the St. Louis Zoo were opened for public view.

December 31, 1928

Marlin Perkins, host of Mutual of Omaha's Wild Kingdom and director of the St. Louis Zoo, was bitten by a Gaboon viper and became one of only a few people to ever survive such a bite. 

Young girl views a hippopotamus at the St. Louis Zoo.

December 2, 1913

On this date in Missouri history: St. Louis Mayor Kiel signed an ordinance establishing a zoo in St. Louis in Forest Park. The idea was almost killed because of a lawn-mowing dispute.