Which came first? · Tricky
Which came first: the Hoover Dam or the Indianapolis 500?
The Indianapolis 500 came first, in 1911 (first held). The Hoover Dam followed 25 years later, in 1936 (completed).
- Second1936
The Hoover Dam
landmark · completedThe Hoover Dam was finished in 1936, two years ahead of schedule.
- First1911
The Indianapolis 500
event · first heldThe first Indianapolis 500, in 1911, was won by Ray Harroun, whose car carried his own invention, the rear-view mirror.
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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.