Which came first? · Tricky

Which came first: the first Mars rover or Twitter?

The first Mars rover came first, in 1997 (landed). Twitter followed 9 years later, in 2006 (launched).

Older Than You ThinkOlder Than You ThinkWhich came first? Sixteen pairs, from obvious to "wait, really?"Quiz11 seconds a pairMobile & desktop
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  1. First1997

    The first Mars rover

    space · landed

    Sojourner, the first wheeled vehicle to roam Mars, landed in 1997 and was just 65 cm long.

    Checked against Wikipedia and Wikidata

  2. Second2006

    Twitter

    website · launched

    Twitter launched in 2006 with a limit of 140 characters per post.

    Checked against Wikipedia and Wikidata

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.