El Salvador

May 17, 1912 | Naval flag, Special, State flag, War flag |

Flag with the weirdest proportions....

Tibet

Jan 1, 1912 | Unofficial flag |

Portugal (Naval Jack)

Jun 30, 1911 | Naval flag |

...

Portugal (National colours)

Jun 30, 1911 | War flag |

...

Portugal

Jun 30, 1911 | Country flag, Merchant flag, Naval flag, State ensign, State flag |

Costa Rica (State flag)

Nov 27, 1906 | State ensign, State flag |

...