Which came first? · Tricky

Which came first: the Burj Khalifa or Reddit?

Reddit came first, in 2005 (launched). The Burj Khalifa followed 5 years later, in 2010 (opened).

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. Second2010

    The Burj Khalifa

    landmark · opened

    The Burj Khalifa opened in 2010 as the tallest building in the world.

    Checked against Wikipedia and Wikidata

  2. First2005

    Reddit

    website · launched

    Reddit launched in 2005; its founders filled it with posts from fake accounts at first.

    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.