On this day, in 1991 Yugoslav troops invaded Slovenia

1991 Yugoslav troops invade Slovenia – The attack, which marked the beginning of the Ten-Day War, followed Slovenia’s declaration of independence. It was the first of the Yugoslav Wars, a number of ethnic conflicts leading to the break-up of Yugoslavia and resulting in at least 140,000 deaths.

1954 The world’s first nuclear power plant is activated – The reactor at Obninsk in present-day Russia remained in operation for 48 years. Today, there are some 400 atomic power plants worldwide. The technology remains controversial, especially due to the unsolved long-term storage of the highly dangerous nuclear chemical.

1950 North Korean troops reach Seoul, UN asks members to aid South Korea, Harry Trumanorders US Air Force & Navy into Korean conflict

1940 The Germans set up two-way radio communication in their newly occupied French territory, employing their most sophisticated coding machine, Enigma, to transmit information.

1929 1st color TV demo, performed by Bell Laboratories in NYC

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