Prehistoric Calendar

The Calendar's 10,000 Year History | World History | Extra History

The 13 Month Tartarian Calendar

Tales Of The Olde World

Ancient Aliens: The Mayan Calendar Mystery (Season 14) | Exclusive | History

Uncovering The Mysteries Of The Maya Calendar | Decoding Baqtun | Odyssey

Odyssey - Ancient History Documentaries

Ancient Calendars From Around The World

Dr. Smiti Nathan

Göbekli Tepe carvings may be ancient Younger Dryas comet calendar, explosive new research reveals

Calendar Invented In 3000 BCE In Egypt?

History with Kayleigh

Adam's Calendar: World's Oldest Man-Made Structure

The African Nomad

The Julian Calendar: The Ancient Revolution in Timekeeping"

From Ancient Texts to Modern Discoveries: Decoding Baqtun | Parable

Parable - Religious History Documentaries

The Mesoamerican Calendar

Ancient Americas

This 1775 Bible Proves We Live In a Lie

NEWS | 20,000-Year-Old Ice Age Mystery SOLVED | Ancient Architects

Ancient Architects

Ancient Egyptian Calendar

Ancient Society

"Oldest Calendar Reveals Catastrophic Comet Strike That Wiped Out Civilization!"

The History of the Modern Calendar

Ménec: Unraveling the Secrets of a Prehistoric Calendar

Art History, by Lucas Lima

History of the Roman Calendar

Romaboo Ramblings

When Time Became History - The Human Era

Kurzgesagt – In a Nutshell

Göbekli Tepe - The First Temple On Earth? 10,000 BC // Ancient History Documentary