Timeline of the introduction of television in countries

This is a list of when the first publicly announced television broadcasts occurred in the mentioned countries. Non-public field tests and closed circuit demonstrations are not included. This list should not be interpreted to mean the whole of a country had television service by the specified date. For example, the United States, Great Britain, Germany, and the former Soviet Union all had operational television stations and a limited number of viewers by the year 1939. However, in those countries, only very few cities in each country had television service. Television broadcasts were not yet available in most places.

...
Wikipedia