28 January – Parliamentary elections are held in the country. Despite receiving only the third highest number of votes, the Progressive Liberal Party emerges as the largest party in Parliament with 40 of the 164 seats. Voter turnout is 42.7%.[1][2]
20 April – The Vazduhoplavatelno Otdelenie (roughly translated as Aviation Squad) is created. This was the earliest version of the modern Bulgarian Air Force.[14]
^"History / About Us / Faculty of Economics and Business Administration / Faculties / The University / Home - Софийски университет "Св. Климент Охридски"". www.uni-sofia.bg. Retrieved 2023-09-01.
^Hall, Richard C. (2002-01-04). The Balkan Wars 1912-1913: Prelude to the First World War. Routledge. ISBN 978-1-134-58363-8.
^Beaver, Jan G. (2009-09-01). Collision Course: Franz Conrad Von Hötzendorf, Serbia, and the Politics of Preventive War. Lulu.com. ISBN 978-0-557-09600-8.
^Blitz.bg (2013-07-27). "Земетресение от 7,8 по Рихтер разрушило Благоевград през 1904 година". Blitz.bg (in Bulgarian). Retrieved 2023-09-01.
^"От правителствено решение зависи съдбата на една от ем". 2007-09-30. Archived from the original on 2007-09-30. Retrieved 2020-08-15.
^"Областен управител - Област Русе..::.. Regional Governor - Ruse:: Пресцентър » Новини » Реставрираната Музикална гимназия ще бъде новия дом на културата и изкуството в Русе". 2007-09-28. Archived from the original on 2007-09-28. Retrieved 2020-08-15.
^Nedialkov, D. "Air Power of the Kingdom of Bulgaria. Part I"
^"Bulyard Shipbuilding". www.bulyard.com. Retrieved 4 May 2017.[dead link]