De antiquitate Paterni soli et de rebus Bulgaricis

De antiquitate Paterni soli et de rebus Bulgaricis ("On the antiquity of the fatherland and the deeds of the Bulgarians") is a historical treatise written in Latin by the Bulgarian Catholic archbishop Petar Bogdan (1601–1674). Completed in 1667, it is the earliest modern written work on the history of Bulgaria, preceding Paisius of Hilendar's Istoriya Slavyanobolgarskaya and Blasius Kleiner's History of Bulgaria by nearly a century.