Huge archaeology breakthrough as world's 'oldest calendar' discovered in Turkey - Express
- Huge archaeology breakthrough as world's 'oldest calendar' discovered in Turkey Express
- Carvings at world’s oldest monument suggest civilisation began after comet strike The Independent
- Archaeologists discover world's oldest calendar that could rewrite birth of civilization Daily Mail
- Carvings in Ancient Temple of Göbekli Tepe Could Be Earth's Oldest Calendar ScienceAlert