Which came first? · Tricky
Which came first: The Michelin Guide or X-rays?
X-rays came first, in 1895 (discovered). The Michelin Guide followed 5 years later, in 1900 (first published).
- Second1900
The Michelin Guide
book · first publishedThe first Michelin Guide, in 1900, was given away free to get people driving.
- First1895
X-rays
discovery · discoveredWilhelm Röntgen discovered X-rays in 1895; one of his first X-ray pictures showed his wife's hand.
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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.