Information AgeScience & Math Ozone hole discovered 1985Major British scientists find a hole over Antarctica caused by CFCs. ▲ MattersSaveShareTrace roots Longest chain: The Big Bang → First stars ignite → Supernovae seed heavy elements → The Sun forms → Earth forms → First oceans → First life → Photosynthesis evolves → Great Oxidation Event → Ozone layer forms → Ozone hole discovered Community notesLoading notes… Learn more ranked by votesDocumentbas.ac.ukThe ozone hole discovery (British Antarctic Survey) ↗Editor's pickDocumentozonewatch.gsfc.nasa.govOzone hole history facts (NASA Ozone Watch) ↗Editor's pickBookJohn GribbinThe Hole in the Sky ↗Editor's pickVideoSearch on YouTubeozone hole discovery explained ↗Editor's pick