The first national television broadcast was in the United States. was on September 1951. It televised the speech of President Harry Truman at the Japanese Peace Treaty Conference.
Harry Truman was the first president to have his inauguration broadcast on television, on January 20, 1949.
Calvin Coolidge's 1923 speech was the first broadcast on the radio, and Harry Truman's 1947 speech was the first broad cast on TV.
Franklin Roosevelt
Harry Truman broadcast a speech from the White House on October 5, 1947. I am not sure that he was in his office.
Reagan
Harry S Truman.
Harry S. Truman was the first president to make a television broadcast from the white house.
Dwight D Eisenhower.
Franklin Roosevelt was the first president to appear on TV. Roosevelt spoke at the opening session of the New York World's Fair on April 30, 1939 and the speech was broadcast via television to a very limited audience.On October 5, 1947, Harry Truman spoke on TV in a speech from the White House. That was the first nationally televised Presidential address. The speech asked Americans to conserve grain in order to help the starving Europeans. (Dwight Eisenhower was the first to appear on color TV in 1955.)
FDR made a broadcast to the World's Fair in 1939 in New York City. But no one had TV's at the time, so only people at the fair saw it. The first President to use TV was Harry Truman.
Truman was the first president to make a presidential address that was broadcast on coast-to-coast television. Truman was first president from Missouri.