Which came first? · Counterintuitive
Which came first: the Lewis and Clark expedition or Uranium?
Uranium came first, in 1789 (discovered). The Lewis and Clark expedition followed 15 years later, in 1804 (sets off).
- Second1804
The Lewis and Clark expedition
event · sets offLewis and Clark set off in 1804 to cross the American West to the Pacific.
- First1789
Uranium
element · discoveredUranium was discovered in 1789 and named after the newly found planet Uranus.
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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.