KDKA, Pittsburg, 1920
In 1924, part of the Paris Olympics were broadcast.
He invented the radio in december, year 1900 so his first broadcast would have been very shortly after that.
July 1,1927
They were first broadcast in 1802.
The tradition began in 1932 with a radio broadcast by the King - George V. The first message broadcast by Her Majesty Queen Elizabeth II was in 1952. They were broadcast (on TV) in sound only until 1957.
I assume you are referring to the national radio service of Ireland. They began experimental radio broadcasts in late 1925. Their radio service officially began on the 1st of January 1926. New Year's Eve 1961 was when their television broadcasts began.
The first commercial satellite television service launched in the United States in 1962. The first satellite TV signal was relayed from Europe to the Telstar satellite and was broadcast over North America.
1951
Approximately 170,221,694,400,000 miles !
From 1952, the Queen's Christmas message has been televised in some form. From 1952 (her first message) it was broadcast in addition to radio on TV with sound only. In 1957, the first full television broadcast of the message was made.
BBC Radio 4. 1900 (7pm) weekdays and Sunday. there is no broadcast on Saturdays. Omnibus edition at 1000 (10am) on Sundays. It is also possible to listen to the Archers through the BBC website (Archers Listen Again) at any time.
1954 was the first Broadcast on Telivision of the world cup.