Denmark

Jan 1, 1219 | Country flag, Special, State ensign, State flag |

  Oldest flag still in use by...

Moosseedorf

Jan 1, 1000 | Muncipality flag |

...

Uusimaa/Nyland

Jan 1, 1000 | District / Region |

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Andorra (Civil flag)

Jan 1, 1000 | Country flag |

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Dordrecht

Jan 1, 1000 | Muncipality flag |

...

Nunspeet

Jan 1, 1000 | Muncipality flag |

...