site.btaToday's Observances: December 13
![Today's Observances: December 13](/upload/3398850/20231126140426_V_SH7717-01.jpeg?l=1000)
![Today's Observances: December 13](/upload/3398850/20231126140426_V_SH7717-01.jpeg?l=1000&original=)
On this date in Bulgarian history:
1941: Bulgaria declares war on Britain and the United States during World War II (1939-1945).
1950: The Order of Cyril and Methodius is instituted.
1991: Diplomatic relations are established with Ukraine.
2002: The Copenhagen European Council sets 2007 as the target year for Bulgaria's and Romania's EU accession.
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