1900-01-01:

1922-06-09:

1951-04-18:

1954-04-07:

1900-01-01:

1900-01-01:

FINLAND +

RUSSIA +

1917-11-08:

GERMANY

1917-12-06:

GERMANY +

FINLAND +

SOVIET RUSSIA +

1918-01-04:

GERMANY +

FINLAND +

1918-02-08:

GERMANY +

SWEDEN +

SOVIET FINLAND +

SOVIET RUSSIA +

1918-04-26:

GERMANY +

SWEDEN +

1918-06-13:

ALAND ISLANDS +

GERMANY +

FINLAND +

SWEDEN +

1919-01-02:

FINLAND

1921-06-01:

FINLAND +

LEAGUE OF NATIONS +

1921-06-24:

FINLAND

1944-09-19:

FINLAND +

SOVIET UNION +

1947-09-15:

FINLAND

1991-08-16:

ALAND +

FINLAND +

1995-01-01:

EUROPEAN UNION +

FINLAND +

1900-01-01:

  Mariehamn

1919-01-02:

  Maarianhamina

1922-06-09:

  Mariehamn

1900-01-01:

  ALANDSKIYE OSTROVA

1917-11-08:

  ALAND-INSELN

1918-02-08:

  ÅLAND

1919-01-02:

  AHVENANMAA

1922-06-09:

  ÅLAND

1900-01-01:

1917-11-08:

1918-02-08:

1918-06-13:

1919-01-02:

1920-01-01:

1921-06-01:

1921-06-24:

1922-06-09:

1951-12-28:

1991-08-16:

1917-12-06:

1918-06-13:

1919-01-02:

1991-08-16:

1995-01-01: