St. Petersburg, Florida $10 million investment plan which helped build the St. Petersburg City Hall. By the 1940s the city received a large population growth due to World War II. St. Petersburg was a training ground area for the U.S. Coast Guard who had a training base and used the city's Bayboro Harbor, and for the Army Air Force who was selected by the War Department to use the city as their technical service training station. With both stations occupying the city, more than 100,000 troops occupied all hotels in St. Petersburg. After the war, most troops who were stationed in St. Petersburg
The 20th Century sponsored by Union Carbide ("The Discovery Company"), was renamed "The 21st Century". The show's focus changed to the future and to what humankind could look forward to. "The 21st Century" was cancelled after three seasons (its final broadcast was on 4 January 1970). The reason given was that the writers had run out of things to talk about. However, CBS may have wished to replace it with a more commercially successful program. The 20th Century The Twentieth Century was a documentary television program sponsored by the Prudential Insurance Company that ran on the CBS network from 20 October 1957 until