Abbreviated Chronology of Time

If time fascinates you as much as it does me, here’s its abbreviated chronology and what happened at every snapshot of time:

13.8 billion years ago: The Big Bang, which marks the beginning of the universe as we know it.
4.5 billion years ago: The formation of our solar system.
3.8 billion years ago: The earliest evidence of life on Earth.
540 million years ago: The Cambrian Explosion, a period of rapid evolution that gave rise to many major animal groups.
65 million years ago: The extinction of the dinosaurs, likely caused by a meteor impact.
2.6 million years ago: The emergence of the genus Homo, including the first human-like species.
300,000 years ago: The emergence of Homo sapiens, the species to which all modern humans belong.
10,000 years ago: The rise of agriculture and the beginning of human civilization.
2,000 years ago: The birth of Jesus Christ, the central figure of Christianity.
622 years ago: The beginning of the Gregorian calendar, which is now widely used as the international standard for civil calendars.
246 years ago: The United States Declaration of Independence is signed, marking the birth of the United States.
53 years ago: The first moon landing by humans, during the Apollo 11 mission.
0 year(s) ago: I am here typing this …