An Adventure In Time

The Universe in One Year (inspired by the late astronomer, Carl Sagan) explains the history of the universe in one year as a “Cosmic Calendar”. 

Human history points on this calendar from National Geographic’s The Genographic Project, beginning in 2005. It highlights how recent human history is compared to the history of our universe, as well as how recently science emerged.

“Big Bang” (January 1, 0 hours, 0 minutes, 0 seconds)
Origin of Milky Way Galaxy (May 1)
Origin of Solar System (September 9)
Formation of the earth (September 14)

Origin of simple cells (September 25)

Origin of complex cells (November 15)

Origin of simple animals (December 16)

Origin of reptiles (December 23)

Origin of first mammals (December 26)

Origin of first primates (December 29)

Origin of genus Homo (December 31, ~10:30 pm)

Origin of modern humans in Africa (Homo sapiens) ( (December 31, ~11:53 pm)

Origin of Agriculture (December 31, 11:59:20 p.m.)

Origin of first cities (December 31, 11:59:35 p.m.)

Time of claimed Jesus the Christ (December 31, 11:59:56 p.m.)

Emergence of the experimental method in science (December 31, 11:59:59 p.m.)

(note: each second of the year = approx 425-450 years)