This test is aimed to teach you about the history of the Gregorian Calendar! For those of you who don't know, we are using it right now! As of now, you might fail this quiz, but you might be more hungry to learn about it; who knows? Have fun! Your life depends on it. . .
1752; Aloysius Lilius
1918; Stalin
1582; Pope Gregory XIII
1776; Benjamin Franklin
1582; Christopher Clavius
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100
97
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36
224
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Doomsday algorithm (Conway)
Zeller's Congruence (Zeller)
Isn't this an opinion question? I can't answer it, then.
24 February
29 February
25 February
Any day in February that was pleasing
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