January 28th (1573) was a Sunday. It's the 27th day of the year (28th in leap years) in the Gregorian calendar. There are 338 days left to the end of the year.
Historical Events for 28th January, 1573
» Articles of the Warsaw Confederation are signed, sanctioning freedom of religion in Poland.
January 28th Holidays in History
» Public holidays in Armenia or Army Day (Armenia)