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The day the light bulb was invented – level 1
21-10-1879People do the first experiments with electric light at the beginning...
The day the light bulb was invented – level 2
21-10-1879The first experiments with electric light were made in the early...
The day the light bulb was invented – level 3
21-10-1879The first experiments with electric light were carried out in the...
The day the Sydney Opera House opened – level 2
20-10-1973The Sydney Opera House is a very special building. Before the...
The day the Sydney Opera House opened – level 3
20-10-1973The Sydney Opera House is a very special building. Before the...
The day the Cuban Missile Crisis started – level 2
16-10-1962It is 1962 in Cuba. People are close to nuclear war...
The day the Cuban Missile Crisis started – level 3
16-10-1962In 1962, humanity is on the brink of nuclear war for...
The day the car was faster than the speed of sound – level 3
15-10-1997People have always been fascinated by speed. Technological progress at the...
The day Chilean miners were rescued – level 2
13-10-2010On August 5, 33 Chilean miners became trapped underground after an...
The day Chilean miners were rescued – level 3
13-10-2010On August 5, 33 Chilean miners became trapped 670 meters underground...