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The day penicillin was discovered – level 2
28-09-1928Alexander Fleming was a Scottish microbiologist. He wanted to discover a...
The day penicillin was discovered – level 3
28-09-1928Alexander Fleming was a Scottish microbiologist. He wanted to discover a...
The day Stanislav Petrov saved the world from the apocalypse – level 2
26-09-1983Stanislav Petrov saved the world in 1983. On September 26, 1983,...
The day Stanislav Petrov saved the world from the apocalypse – level 3
26-09-1983Stanislav Petrov saved the world in 1983. On September 26, 1983,...
The day Ötzi was found – level 3
19-09-1991In the warm autumn afternoon of 1991, two German tourists, Helmut...
The day people saw the Earth and the Moon together – level 1
18-09-1977Voyager 1 is a probe. The probe travels through space. The...
The day people saw the Earth and the Moon together – level 2
18-09-1977Voyager 1 is a space probe that started its journey on...
The day people saw the Earth and the Moon together – level 3
18-09-1977Voyager 1 is a space probe that was launched on September...
The day of the bankruptcy of Lehman Brothers – level 1
15-09-2008Lehman Brothers is a big bank in the United States. It...
The day of the bankruptcy of Lehman Brothers – level 2
15-09-2008Lehman Brothers was one of the biggest banks in the United...
