The Revised Julian calendar, less formally the new calendar, also known as the Milanković calendar, is a calendar proposed in 1923 by the Serbian scientist Milutin Milanković as a more accurate altern
Patriarch Meletius IV of Constantinople, who convened the council that authorised the Revised Julian calendar
The adoption of the Gregorian Calendar has taken place in the history of most cultures and societies around the world, marking a change from one of various traditional dating systems to the contempora
Lunario Novo, Secondo la Nuova Riforma della Correttione del l'Anno Riformato da N.S. Gregorio XIII, printed in Rome by Vincenzo Accolti in 1582, one of the first printed editions of the new calendar.
William Hogarth painting: Humours of an Election (c. 1755), which is the main source for the "Give us our Eleven Days" mythical riots.
Gravestones at Feriköy Cemetery in Istanbul with Hijri birth years and Gregorian death dates