Which came first? · Counterintuitive

Which came first: Euro notes and coins or the QR code?

The QR code came first, in 1994 (invented). Euro notes and coins followed 8 years later, in 2002 (first used).

Older Than You ThinkOlder Than You ThinkWhich came first? Sixteen pairs, from obvious to "wait, really?"Quiz11 seconds a pairMobile & desktop
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  1. Second2002

    Euro notes and coins

    currency · first used

    Euro notes and coins only came into use in 2002; for its first three years the euro was an invisible, accounting-only currency.

    Checked against Wikipedia and Wikidata

  2. First1994

    The QR code

    invention · invented

    The QR code was invented in 1994 to track car parts in Japanese factories.

    Checked against Wikipedia and Wikidata

All which-came-first pairs · About Older Than You Think · Quiz games

Years from Wikidata, each checked against the item’s English Wikipedia article on 2026-10-18. A year stands for what its label says: a founding, a first patent, a premiere.