The crown was added in 1937, after it was discovered by Liechtenstein's team at the 1936 Summer Olympics that the flag then in use was identical to the flag of Haiti.
Flag of the United States | flag | Anti-Flag | Flag of France | Liechtenstein national football team | Flag of Canada | Hans-Adam II, Prince of Liechtenstein | Raising the Flag on Iwo Jima | Flag of Mexico | Flag of Ireland | The Red Flag | Palestinian flag | Karl II von Liechtenstein-Kastelkorn | Flag semaphore | Flag of Turkey | Flag of Indonesia | Blue Flag beach | Black Flag Army | Assassin's Creed IV: Black Flag | 2011 Pan American Games national flag bearers | You're a Grand Old Flag | White Flag (song) | White Flag | Princely Family of Liechtenstein | Palais Liechtenstein | Flag of Ulster | flag of the United States | Flag of the United Kingdom | Flag of the Philippines | Flag of South Korea |