Folsom and immediate post-Clovis complexes in North America (c. 12,900–10,500 BP)

1. Clovis projectile-point tradition spreads widely

   Jan 1, 11375 BCELabels: Clovis tradition

   • NPS Paleoindian
   • SW Virtual

2. Younger Dryas climate shift begins

   Jan 1, 10950 BCELabels: Younger Dryas

   • Britannica
   • Wikipedia

3. Folsom complex emerges after Clovis

   Jan 1, 10850 BCELabels: Folsom complex

   • NPS Paleoindian
   • KGS Kansas

4. Folsom bison hunting becomes a defining pattern

   Jan 1, 10800 BCELabels: Bison antiquus

   • NPS Paleoindian
   • KGS Kansas

5. Agate Basin and Hell Gap complexes follow Folsom

   Jan 1, 10150 BCELabels: Agate Basin

   • NPS Paleoindian
   • KGS Kansas

6. Younger Dryas ends; Holocene warming begins

   Jan 1, 9750 BCELabels: Holocene onset

   • Britannica
   • Wikipedia

7. 1908 flood reveals bones at Folsom type site

   Aug 27, 1908Labels: George McJunkin

   • Folsom site

8. 1926 excavation links point and extinct bison

   Jan 1, 1926Labels: Folsom site

   • Folsom site
   • KGS Kansas

9. Figgins introduces the term “Folsom” tradition

   Jan 1, 1927Labels: Jesse Figgins

   • Folsom tradition

10. Lindenmeier site reveals large Folsom campsite

    Jan 1, 1934Labels: Lindenmeier site

    • Lindenmeier

11. Hell Gap sequence clarifies post-Clovis transitions

    Jan 1, 1960Labels: Hell Gap

    • UWyo Hell Gap
    • Hell Gap site

12. Folsom becomes key evidence for ancient Americans

    Mar 1, 2026Labels: Folsom legacy

    • Folsom site
    • Folsom tradition