• PugJesus@lemmy.worldOPM
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        2 months ago

        Looked it up, seems like

        Banner supposedly used by Taborite forces led by Bohuslav of Švamberg, whose heraldic emblem was a swan on a red field, later confused with a goose (Czech: husa) as a general symbol of the Hussite movement.

        • Vikthor@lemmy.world
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          2 months ago

          I think these are canting arms(heraldic pun) referencing Jan Hus, the preacher the Hussite movement was named after.