"By 1582, the Julian calendar ... exquisitely accurate calendar by cancelling 10 days that year, in which October 4 was followed by October 15," American astrophysicist and science communicator ...

October 1582 isn’t exactly a year which went down in history. It certainly doesn’t have the same familiarity as 1066 (the Battle of Hastings), 1969 (the US moon landing) or 1914 (the start of ...