site.btaObservances: April 19

On this date in Bulgarian history:

1920: Entente Powers conference in Sanremo, Italy, gives Bulgaria control over free zone on Aegean coast at Dedeagac (today's Alexandroupolis in Northeastern Greece).

1941: Bulgarian troops enter Macedonia and Western Thrace to honour obligations assumed by Bulgaria as party to Tripartite Pact, to which it accedes on March 1, 1941.

1941: Diplomatic relations established with Croatia at legation level.

1944: Discovery of Thracian Tomb of Kazanlak, remarkable for its murals recognized as artistic masterpieces of Hellenistic period; inscribed in UNESCO World Heritage List in 1979.

1997: Early elections held for 38th National Assembly.

2007: European Parliament Information Office in Sofia is inaugurated by then European Parliament President Hans-Gert Poettering.

2017: First sitting of 44th National Assembly after March 26 snap elections.