April 3, 2020Approval of Prince Nikola to Ulcinj Citizens to build mosque (Archive and Library Department of the National Museum of Montenegro)
April 3, 2020Prince Nikola’s response to the congratulations of Sultan Abdulhamid on New Year’s Day (COA)
April 3, 2020Verbal note from the Ottoman mission announcing the financial assistance of Sultan Abdulahamid to repair the mosque in Kolašin, 1885
April 3, 2020Verbal note from the Ottoman mission decreeing that Montenegrins do not pay taxes on goods they export to Turkey, 1889
