Which came first? · Counterintuitive

Which came first: Euro notes and coins or the first planet of a Sun-like star?

The first planet of a Sun-like star came first, in 1995 (discovered). Euro notes and coins followed 7 years later, in 2002 (first used).

  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. First1995

    The first planet of a Sun-like star

    planet · discovered

    51 Pegasi b, detected in 1995, was the first planet found orbiting a star like the Sun.

    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.