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The day penicillin was discovered – level 1
28-09-1928Alexander Fleming is from Scotland. He wants to help people. He...
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 the most famous formula was published – level 1
27-09-1905In 1905, Albert Einstein is a young man. He works for...
The day the most famous formula was published – level 2
27-09-1905In 1905, Albert Einstein was a young man. He worked for...
The day the most famous formula was published – level 3
27-09-1905In 1905, Albert Einstein was a young man working for the...
The day Stanislav Petrov saved the world from the apocalypse – level 1
26-09-1983Stanislav Petrov saves the world in 1983. On September 26, 1983,...
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 the first European saw the Pacific Ocean – level 1
25-09-1513Vasco Nunez de Balboa is from Spain. He travels to Central...