It comprises eight extinction "datum points"—the first four being regularly spaced, every 30,797 years, and linked to the Milankovic obliquity cycle.
Cretaceous–Paleogene extinction event | Impact event | Yanni Live! The Concert Event | Tunguska event | Saturday Night's Main Event | The Airborne Toxic Event | Permian–Triassic extinction event | 2012 PDC European Tour Event 5 | Tragedy (event) | ''The Main Event'' | men's skeleton event | men's singles event | Major sports event hosting in Britain during the 2010s | Complex event processing | Bridge of Flowers (event) | 2009 Jupiter impact event | women's under 40kg event | women's K-1 event | women's K-1 500 m event | Women's event | William Brumfield at an April 18, 2013 event "Memory, Commemoration, Memorialization: Moscow’s Western Battlefields" at the Kennan Institute. | True Heroes (event) | Triassic–Jurassic extinction event | The ''obstacle race'', an event of naval pentatthlon at the 2007 Military World Games | SpiritBank Event Center | Signing Event of Japanese Drama ''Honey and Clover | Permian-Triassic extinction event | Men's event | Men's 400 m Freestyle event | men's 25 metre rapid fire pistol event at the 1924 Summer Olympics |