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1908 – The Tunguska event occurs in remote Siberia. http://en.wikipedia.org/wiki/Tunguska_event https://www.youtube.com/watch?v=EiXpp-i442s https://www.youtube.com/watch?v=BrR1KtKgfm8
1960 – Congo gains independence from Belgium. http://en.wikipedia.org/wiki/Belgian_Congo https://www.youtube.com/watch?v=Vk4Vxh6VdC4 https://www.youtube.com/watch?v=2QZxskIpMPc
1954 – Three continents see eclipse of sun. Millions of people have witnessed a total eclipse of the sun as the moon cast its shadow from America through Europe and on to Asia. http://en.wikipedia.org/wiki/Solar_eclipse_of_June_30,_1954 https://www.youtube.com/watch?v=_UhXrcCqxkU
1985 – Michael Phelps, American swimmer, is born. http://en.wikipedia.org/wiki/Michael_Phelps https://www.youtube.com/watch?v=AVExBUxIcIs