Croissants actually originated in Austria, not France
The birth of the croissant itself – that is, its adaptation from the plainer form of kipferl, before the invention of viennoiserie – can be dated to at latest 1839 (some say 1838), when an Austrian artillery officer, August Zang, founded a Viennese bakery ("Boulangerie Viennoise") at 92, rue de Richelieu in Paris.[5] This bakery, which served Viennese specialities including the kipferl and the Vienna loaf, quickly became popular and inspired French imitators (and the concept, if not the term, of viennoiserie, a 20th-century term for supposedly Vienna-style pastries). The French version of the kipferl was named for its crescent (croissant) shape and has become an identifiable shape across the world
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