1900-01-01:

1918-07-01:

1919-04-01:

1921-12-06:

1938-10-03:

1949-04-18:

1994-01-01:

1918-07-01:

1919-04-01:

1921-12-06:

1938-10-03:

2016-01-01:

1900-01-01:

GREAT BRITAIN AND IRELAND +

UNITED KINGDOM +

1916-04-24:

IRELAND +

UNITED KINGDOM +

1916-04-30:

GREAT BRITAIN AND IRELAND +

UNITED KINGDOM +

1918-07-01:

UNITED KINGDOM +

AMERICA +

1919-04-01:

IRELAND +

UNITED KINGDOM +

1921-12-06:

UNITED KINGDOM

1938-10-03:

EIRE +

UNITED KINGDOM +

1949-04-18:

IRELAND

1993-11-01:

EUROPEAN UNION +

IRELAND +

1900-01-01:

  Bun Cranncha

1918-07-01:

  Lough Foyle

1919-04-01:

  Bun Cranncha

1921-12-06:

  Fort Dunree

1938-10-03:

  Bun Cranncha

1900-01-01:

  INISHOWEN PENINSULA

1918-07-01:

  LOUGH FOYLE

1919-04-01:

  INIS EOGHAIN

1921-12-06:

  LOUGH SWILLY

1938-10-03:

  INIS EOGHAIN

1900-01-01:

1918-07-01:

1919-04-01:

1921-12-06:

1938-10-03: