Paraguay

Jan 1, 1842 | Country flag, Merchant flag, Naval flag, Special, State ensign, State flag, War flag |

Only national flag in the world with different emblems on its obverse and reverse sides....

Peru (War flag)

Feb 25, 1825 | War flag |

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Peru (State flag)

Feb 25, 1825 | Naval flag, State ensign, State flag |

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The Hague (Den Haag)

Jan 1, 1000 | Muncipality flag |

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Saudi Arabia (War flag)

Jan 1, 1000 | War flag |

...