site.btaToday's Observances: April 5

On this date in Bulgarian history:

1886: In Constantinople, Great Britain, Austria-Hungary, France, Germany, Italy, Russia and Turkiye agree on Act recognizing the unification of Eastern Rumelia and Principality of Bulgaria of September 6,1885 (Tophane Agreement).

1936: State Lottery's first draw is held in Sofia.

1972: Diplomatic relations established with Australia.

1990: National Commission for Alignment of Interests established for national-level consultations and cooperation on employment relations, social-security relations and living standards (renamed National Council for Social Partnership on January 4, 1993 and National Council for Tripartite Cooperation on March 2, 1993).