Historical Events In 1582
Jan 15 Russia cedes Livonia & Estonia to Poland, loses access to the Baltic
Feb 19 Francis of Valois becomes duke of Brabant
Feb 24 Pope Gregory XIII announces New Style (Gregorian) calendar
Apr 03 French van Valois honored as duke of Gelre/earl of Zutphen
Oct 15 Many Catholic countries switch to Gregorian calendar, skip 10 days
Oct 04 Last day of the Julian calendar in Italy, many Catholic countries
Oct 05 Gregorian calendar introduced in Italy, other Catholic countries
Mar 18 Prince Willem of Orange injured in attack at Antwerp
