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The day Martin Luther King was killed – level 3
04-04-1968In 1955, slavery hadn’t existed in the United States for 90...
The day Louis XVI was executed – level 3
21-01-1793In the eighteenth century, France was a country of two very...
The day of the tragedy in Armero – level 3
13-11-1985Nevado del Ruiz is a volcano in Columbia. On November 13,...
The day the Berlin Wall fell – level 3
09-11-1989On August 13, 1961, East German police start to install barbed...
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...
