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The day of the U-2 incident – level 3
01-05-1960On May 1, 1960, an American U-2 spy plane was flying...
The day HIV was discovered – level 1
23-04-1984In 1981, five men from Los Angeles have a strange disease....
The day HIV was discovered – level 2
23-04-1984In 1981, doctors found that five men from Los Angeles had...
The day HIV was discovered – level 3
23-04-1984In 1981, five men from Los Angeles were reported to have...
The day Terry Fox started the Marathon of Hope – level 3
12-04-1980Canadian Terry Fox had been a passionate athlete since his childhood....
The day of the first published photograph of a black hole – level 3
10-04-2019The first black hole that was photographed is located at the...
The day bungee jumping was invented – level 1
01-04-1979Bungee jumping starts in England. The first jumpers are students from...
The day bungee jumping was invented – level 2
01-04-1979Bungee jumping was invented by a group of students from the...
The day gambling was legalized in Las Vegas – level 3
19-03-1931In the early 20th century, Las Vegas was a small town...
The day of the Battle of Los Angeles – level 3
24-02-1942In early 1942, the United States was at war with Japan...
