632 bytes added
, 20:12, March 31, 2007
Pope Gregory XIII
Gregorius XIII
Ugo Buoncompagni
1 January 1502 – 10 April 1585
Period 1572-1585
Predecessor Pius V
Continuator Sixtus V
Gregorius XIII (Bologna, 1 January 1502 - 10 April 1585) was born with as a name Ugo Buoncompagni.
On 13 May 1572 he was crowned as a pope Gregorius XIII. On 1582 he left 5 October Gregorian calendar to introduce, the calendar which we use today the day still. By wrong in Juliaanse calendar ran these meanwhile ten days behind. To compensate this one skipped ten days, as a result of which it became after 4 October 1582 15 October after 4 October. He died in 1585.
[[Category:Popes]]