Which came first? · Counterintuitive

Which came first: Blood groups or Rolls-Royce?

Blood groups came first, in 1901 (discovered). Rolls-Royce followed 5 years later, in 1906 (founded).

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. First1901

    Blood groups

    discovery · discovered

    Karl Landsteiner discovered the main human blood groups in 1901.

    Checked against Wikipedia and Wikidata

  2. Second1906

    Rolls-Royce

    company · founded

    Rolls-Royce was formed in 1906, two years after Charles Rolls met Henry Royce.

    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.