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The day the first public TV started – level 2
02-11-1936It is 1936 and there is a big competition in Britain....
The day the first public TV started – level 3
02-11-1936It is 1936 and a big competition is culminating in Britain....
The day Deepwater Horizon sank – level 3
22-04-2010Deepwater Horizon was a modern oil drilling rig located in the...
The day the telephone was patented – level 3
07-03-1876Since 1873, Alexander Graham Bell was trying to find a way...
