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The challenge concerning measuring time is as ancient as humanity. The problem of the accuracy of the calendar occupied outstanding scholars, but the results were always unsatisfactory. It was not until 1582 that at the times of Gregory XIII a precise calendar was created, which was the result of the scientific skills in various European countries. To identify some of the elements that underlie the...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.