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# Cathodic TVs are celebrating their 90th birthday
It was one of the biggest breakthroughs on the road to modern television
Exactly 90 years ago, inventor Manfred von Ardenne demonstrated the first working modern cathode-ray television in Berlin. By doing so, he showed the sense of using this technology for television sets and paved the way for modern television.
The exact date of birth of television is difficult to determine, as the development of the ultimate technology, which millions of viewers today watch daily, has been fueled by numerous inventions with different dates of discovery. But among them is certainly the depiction of the German physicist and inventor Manfred von Ardenne, who on August 21, 1931, showed the first working cathode-ray television in Berlin.
The cathode-ray tube is a device invented by Karl Ferdinand Braun, who directs a beam of electrons at the luminescent material on the screen and thus creates an image on it. Cathode-ray tubes were the basis of all screens from the beginnings of television technology between the two world wars to the advent of LCD screens at the end of the millennium.
By demonstrating the technology, Ardenne proved that the cathode-ray apparatus is significantly more suitable for use in emerging television technology than previous attempts to use films and slides. Ardenne did not yet have a developed camera recording system, but he was able to remotely transmit and display slides and pre-recorded film tapes.
Due to the success of his show, the first regular public television program was launched in Germany, broadcasting several times a week in the vicinity of Witzleben near Berlin. The program became extremely popular and world-famous in 1936 when the first mass television broadcast of the Olympic Games took place through it. For the first time in history, more than 130,000 people were able to watch the Olympic Games in Berlin on a few rare private and public television screens.
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