If you're going to be pedantic about the new decade starting in 2021 because "there was no year 0", then you also have to be pedantic about the new decade starting on January 11, 2021, because there were no October 5-14, 1582.
@noelle and don't forget September 1752!
@adasauce It's the same missing days, England was just really slow in adopting them :D
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