On this day in History - November 3

1920 – In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.

1936 – The BBC Television Service, the world's first regular, "high-definition" (then defined as at least 200 lines) service begins. Renamed BBC1 in 1964, the channel still runs to this day.

1960 – Penguin Books is found not guilty of obscenity in the trial R v Penguin Books Ltd, the Lady Chatterley's Lover case.

1983 – U.S. President Ronald Reagan signs a bill creating Martin Luther King Jr. Day.

2000 – Expedition 1 arrived at the International Space Station for the first long-duration stay onboard. From this day to present, a continuous human presence in space on the station remains uninterrupted.