Periods Worlds Regions Subregions Subjects Commodities About

Home
Effigy Mounds National Monument Clayton Iowa United States

Effigy Mounds National Monument Clayton Iowa United States

621 BCE to 478 BCE

"Human history becomes more and more a race between education and catastrophe... Yet, clumsily or smoothly, the world, it seems, progresses and will progress."

― H.G. Wells, The Outline of History, Vol 2 (1920)

Worlds

uploads/images/macro_maps/IV.-The-North-Atlantic-World.jpg

The Atlantic Lands

View →

Related Events

Active Filters

Group: Popular Front for the Liberation of the Occupied Arabian Gulf (al-Jabha al-Sha'abiya li-Tahrir al-Khalij al-'Arabi al-Muhtall, PFLOAG)

Location: Effigy Mounds National Monument Clayton Iowa United States

Refine Results

No related events match the current filters.

About Sources Methodologies Contact Privacy Policy Sitemap

© 2000–2026 Electric Prism, Inc. All Rights Reserved.

Narrow Results By

Search terms

Period

Start year

End year

World

Region

Subregion

Group

Subject

Person

Commodity

Location

Event