Which came first? · Tricky
Which came first: Jupiter's moon Io or the Stanley Cup?
Jupiter's moon Io came first, in 1610 (discovered). The Stanley Cup followed 283 years later, in 1893 (first awarded).
- First1610
Jupiter's moon Io
moon · discoveredGalileo spotted Jupiter's moon Io in January 1610.
- Second1893
The Stanley Cup
award · first awardedThe Stanley Cup was first awarded in 1893, making it North America's oldest pro sports trophy.
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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.