1900-01-01:

1917-05-01:

1917-11-21:

1918-02-22:

1918-04-12:

1918-11-26:

1923-04-02:

1952-04-08:

1953-04-25:

1991-08-21:

1900-01-01:

1917-11-21:

1952-04-08:

1953-04-25:

1900-01-01:

RUSSIA

1917-11-08:

WHITE RUSSIA

1917-11-20:

SOVIET RUSSIA

1917-11-21:

LATVIA +

SOVIET RUSSIA +

1918-02-22:

GERMANY

1918-03-08:

GERMANY +

BALTIC STATE +

1918-11-18:

GERMANY +

LATVIA +

1919-10-30:

LATVIA

1939-10-05:

LATVIA +

SOVIET UNION +

1941-06-28:

SOVIET LATVIA +

SOVIET UNION +

1941-07-07:

GERMANY

1941-07-17:

OSTLAND +

GERMANY +

1944-10-13:

LATVIA +

SOVIET UNION +

1991-09-06:

LATVIA

2004-05-01:

EUROPEAN UNION +

LATVIA +

1900-01-01:

  Volmar

1917-11-21:

  Valka

1918-02-22:

  Wolmar

1918-11-26:

  Valmiera

1920-01-13:

  Riga

1941-07-01:

  Valmiera

1941-07-07:

  Wolmar

1944-10-13:

  Valmiera

1952-04-08:

  Riga

1953-04-25:

  Valmiera

1900-01-01:

  VOLMAR

1917-11-21:

  VIDZEME

1918-02-22:

  LIVLAND

1918-03-03:

  SÜDLIVLAND

1918-11-18:

  VIDZEME

1941-07-07:

  WOLMAR

1944-10-13:

  VIDZEME

1949-01-01:

  LIFLYANDSKAYA

1952-04-08:

  RIZHSKAYA

1953-04-25:

  LIFLYANDSKAYA

1989-07-28:

  VIDZEME

2000-09-01:

  VIDŪMŌ

2003-05-26:

  VIDZEME

1900-01-01:

1917-11-21:

1918-03-03:

1918-11-06:

1918-11-18:

1920-08-11:

1924-01-01:

1941-07-07:

1944-10-13:

1949-01-01:

1952-04-08:

1953-04-25:

2003-05-26:

2004-04-28:

2009-07-01: