World Accordion Day

Next: May 6, 2027

Squeeze out a tune today.

The story

Where it comes from

World Accordion Day marks the day the accordion got its name. On 6 May 1829 Cyrill Demian, an organ and piano maker in Vienna of Armenian origin, filed a patent with his sons Karl and Guido for their 'newly invented instrument', which they called the Accordion: a small box with metal reeds and bellows, light enough to carry. The Confédération Internationale des Accordéonistes (CIA), founded in 1935, held the first World Accordion Day on 6 May 2009, the instrument's 180th birthday.

How it's celebrated

The CIA asks accordion associations, orchestras, performers and teachers everywhere to hold concerts and events on or around 6 May, and to register them on its website. For everyone else it is a good day to listen to some accordion music, or to dust off the one in the cupboard and play a few chords.

Did you know

  • Each of the five keys on Demian's first accordion sounded two chords, one as the bellows were pulled and another as they were pushed.
  • Demian's patent promised that even an amateur could play marches and melodies after a little practice, and that travellers would welcome so portable an instrument.
  • The original patent is kept in the archive of the Technical University of Vienna, where it was rediscovered in 1988.

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