Which came first? · Tricky
Which came first: Radium or the Suez Canal?
The Suez Canal came first, in 1869 (opened). Radium followed 29 years later, in 1898 (discovered).
- Second1898
Radium
element · discoveredMarie and Pierre Curie discovered radium in 1898.
- First1869
The Suez Canal
landmark · openedThe Suez Canal opened in 1869, letting ships skip the long trip around Africa.
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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.