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The flags of Haiti and Liechtenstein are nearly identical, featuring horizontal blue and red stripes. This likeness was discovered accidentally during the 1936 Summer Olympics, prompting Liechtenstein to add a crown to their flag to distinguish it. The resemblance stemmed from both nations independently choosing colors with significant national meaning—blue and red for Haiti symbolizing unity, and for Liechtenstein, loyalty and courage.
Sometimes, these similarities arise unintentionally, while at other times, they reflect deliberate choices to show unity or shared ideals.