# The K-Pg Extinction Event

Describe the Cretaceous–Palaeogene (K-Pg) extinction event approximately 66 million years ago, including the asteroid impact theory and its evidence (iridium layer, Chicxulub crater), and understand that this ended the reign of non-avian dinosaurs

Builds on: Dinosaurs Were Real (hard, https://ai.page/c/dinosaurs-were-real/en.md), The Mesozoic Era (hard, https://ai.page/c/the-mesozoic-era/en.md)

Concept id: the-k-pg-extinction-event. Subject: science. Licence: CC BY-SA 4.0.

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