World Series was broadcast on radio for the first time in 1921. The New York Giants ultimately beat the New York Yankees in a best of nine games series. The games were broadcast through Pittsburgh’s KDKA.
President Harry Truman made the first telecast speech from the White House in 1947. He asked citizens of the United States to eat no meat on Tuesdays, no eggs or chickens on Thursdays, and to eat one slice of bread less per day so that food could be sent to Europe. That continent’s food production had been greatly reduced because of World War II.
Public Broadcasting Service came into being in 1970. Today 354 member stations exist.