1900-01-01:

1944-09-09:

1947-12-06:

1968-01-05:

1971-05-18:

1990-11-22:

1900-01-01:

1918-10-03:

1927-01-02:

1946-09-15:

1947-12-06:

1948-01-03:

1968-01-05:

1971-05-18:

1990-11-22:

1997-01-01:

1900-01-01:

BULGARIA +

OTTOMAN TURKEY +

1908-10-05:

BULGARIA

1940-02-15:

BULGARIA +

GREATER GERMANY +

1944-06-01:

BULGARIA

1944-09-09:

BULGARIA +

SOVIET UNION +

1946-09-15:

BULGARIA

1990-11-15:

BULGARIA

2007-01-01:

BULGARIA +

EUROPEAN UNION +

1900-01-01:

  Sofija

1908-10-05:

  Sofiya

1900-01-01:

  BALGARIYA

1900-01-01:

1908-10-05:

1944-09-09:

1946-09-15:

1990-11-15:

1900-01-01:

1908-10-05:

1918-10-03:

1943-10-28:

1944-09-09:

1946-09-15:

1947-12-09:

1948-08-11:

1949-07-02:

1949-07-04:

1950-01-23:

1950-02-08:

1954-03-04:

1989-11-10:

1990-04-03:

1990-07-06:

1990-07-17:

1990-08-01:

1997-01-22:

2002-01-22:

2012-01-22:

2017-01-22: