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John Logie Baird made the fist pictures or images on TV to appear black and white. He did this since 1925.(The rest of the date is unknown) https://www.theguardian.com/technology/2016/jan/29/welcome-sixth-evolution-of-television-place-shifting
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Today every one watches TV or at least uses one, thanks to Philo Farnsworth. He showed his invention, in Utah on September 7,1927 https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=when%20was%20the%20tv%20invented
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As the years went by adding color to the TV happened in 1954 (the rest of the date is Unknown). The TV systems did not only improve on its appearance but also on the quality. They used the NTSC also known as the National Television Systems Committee, which gave the TV reception and allowed broadcasts. http://whatis.techtarget.com/definition/National-Television-Standards-Committee-NTSC https://www.theguardian.com/technology/2016/jan/29/welcome-sixth-evolution-of-television-place-shifting
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Tape recorders and cassette recorders, which were invented in the early 1970's, were becoming a big thing thanks to the first model called Philips model. https://www.theguardian.com/technology/2016/jan/29/welcome-sixth-evolution-of-television-place-shifting
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One day at a conference meting ,in 1971 (rest of date unknown), designers addressed the issue that def people faced while watching TV. That's when sub titles were thought of and turned in to what they are sometimes called today, captions. http://tech.co/television-technology-evolution-2015-06
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In 1994 (rest of date unknown) Digital satellite TV was even more popular and wanted since color was added to TV's. Digital TV allowed for more channels and made the graphics of way better and enhanced. https://www.wired.com/1998/09/digital-tv-timeline/
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(date unknown) Just when digital TV's were in the "now", introducing different dimensions of the TV shape was a new concept. The original TV format was 4 by 3, but was later swapped with the 16 by 9 frame format. Widening the screen also came with the benefit of HD as well. Having an HD TV meant looking at a sharper and more crisp view of the picture. https://www.theguardian.com/technology/2016/jan/29/welcome-sixth-evolution-of-television-place-shifting
