Hotel (H)

Jan 1, 1965 | Signal flags |

...

Kilo (K)

Jan 1, 1965 | Signal flags |

Malta

Sep 21, 1964 | Country flag, Naval flag, State ensign, State flag, War flag |

...

Algeria

Jul 3, 1962 | Country flag, Merchant flag, State ensign, State flag, War flag |

Vatican City

Jun 7, 1929 | Country flag, Special, State flag, War flag |

Together with Switzerland the only square flag in the world....