To complement the previous post about Carl Sagan’s Cosmic Calendar, I here add what happened on December 31st, the last day of the year.
- 1:30 pm: Origin of the Proconsul and the Ramapithecus, probable ancestors of humans.
- 10:30 pm: First human being appears.
- 11:00 pm: Use of stone tools.
- 11:46 pm: Domestication of fire.
- 11:56 pm: Most recent glacial period.
- 11:59:20 pm: Invention of agriculture.
- 11:59:50 pm: Great discoveries on astronomy.
- 11:59:52 pm: Alphabet invention, Hammurabic legal codes.
- 11:59:53 pm: Bronze metallurgy, compass invention, Trojan War, Olmec culture.
- 11:59:54 pm: Iron metallurgy, Kingdom of Israel.
- 11:59:55 pm: Birth of Buddha and Confucious, Ch’in Dynasty China, Periclean Athens.
- 11:59:56 pm: Euclidean geometry, Archimedean physics, Ptolemaic astronomy, Greek Olympic games, Roman Empire, Birth of Christ.
- 11:59:58 pm: Mayan civilization, Sung Dynasty China, Byzantine empire, Mongol invasion, Crusades.
- 11:59:59 pm: Voyages of discovery from Europe and from Ming Dynasty China, Columbus lands in America, Renaissance in Europe.
- Today, first second of the new year: Beginning of modern culture, science and technology development, French revolution, World War I, World War II, Apollo lands on the moon, spacecraft planetary exploration, search for extraterrestrial intelligence.
All wars, inventions, discoveries, kings, revolutions, independences, and all the written history of humankind happens in the las 10 seconds of December 31st.
This makes me wonder what is important in life. We have been here for a really short period of time.