How the The Sumerians Revolutionized Human Civilization *Marathon* | Ancient Aliens | History

The Sumerians in ancient Mesopotamia achieved over one hundred "firsts" for human civilization. Advances in writing, agriculture, science, mathematics, medicine, astronomy, transportation, building, military, schools and city planning, all originated in Sumer. See more in this marathon from Ancient Aliens. Watch full episodes and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #HISTORY #AncientAliens Find out more about the show and watch full episodes on our site: https://histv.co/AncientAliens "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years. Don't miss a video! Subscribe NOW: https://www.youtube.com/@HISTORY?sub_confirma… Chapters: 0:00 The Anunnaki and Human Origins 22:52 Sacred Relics and Extraterrestrial Power 1:28:06 Forbidden Islands and Alien Bases 2:13:24 The Ark of the Covenant: Divine or Extraterrestrial Technology? ABOUT THE HISTORY CH