The 13 Month Tartarian Calendar

(17:47)

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

(10:6)

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

(2:56)

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

(1:22:1econd)

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

(5:35)

This 1775 Bible Proves We Live In a Lie

(19:2)

The Mesoamerican Calendar

(18:46)

Ancient Lunar Calendar In The Highlands Of Peru? Quillarumiyoq

(7:42)

Mysteries of Magdalenenberg: Explore Germany's Ancient Mega Mound

(1:12:33)

Decoding Baqtun

(1:23:25)

Why Ancient Calendars Still Matter

(8:13)

A brief History of the Calendar and Time Keeping

(58:19)

Five Ancient and Alternative Calendars

(10:42)

Ancient Calendars From Around The World

(6:6)

The Gregorian Calendar | JRE \u0026 Neil deGrasse Tyson

(1:28)

Archaeologists amazed by Peru's 'mind-blowing' ancient solar calendar built into desert

(3:43)

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

(7:20)

God's Calendar Vs. Man's Calendar

(16:19)

The History of the Modern Calendar

(3:55)

The Secrets Behind Ancient Calendars Revealed

(27:34)