In many cultures, the Swastika has been a common symbol of good luck, friendship, or other friendly wishes for centuries, until the Nazis co-opted it.  This vintage postcard (date unknown) features a Native American wishing the recipient a “Heap Heap Much Luck”, and included a swastika patch that one could stitch on their necktie for good luck.  (Via Postcardiva)

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1950 - Tens of thousands of Belgians went on strike and took to the streets to protest the return of Leopold III as King of Belgium, after he had surrendered the country to Nazi Germany in the Second World War. In the end he was forced to abdicate and give the throne to his son.

Some of the gifs show the recently liberated Belgian citizens giving Hitler salutes to the King and to the police brought in to squash the protests. [video]/[video]/[video]