Origin of Life (Dates of Events in Descriptions)

Formation of the Solar System

94,570 BCE

~4.57 Billion Years Ago

Formation of the Earth

94,540 BCE

~4.54 Billion Years Ago

Formation of the Moon

94,530 BCE

~4.53 Billion Years Ago

Late Heavy Bombardment

94,100 BCE

~4.1 Billion Years Ago

Earth's Cooling

94,080 BCE

~4.08 Billion Years Ago

Formation of Earth's Crust & Oceans

94,000 BCE

~4 Billion Years Ago

Protocells Form

93,900 BCE

~3.9 Billion Years Ago

Polymers Form from Nucleotides

93,800 BCE

~3.8 Billion Years Ago

DNA in Cells

93,600 BCE

~3.6 Billion Years Ago

Formation from Inorganic to Organic Molecules

93,500 BCE

~3.5 Billion Years Ago

Proliferation of Cyanobacteria

93,000 BCE

~3 Billion Years Ago

Evolution of Prokaryotic Cells

92,700 BCE

~2.7 Billion Years Ago

Layer of Oxygen Forms on Earth

92,300 BCE

~2.33 Billion Years Ago

Evolution of Eukaryotic Cells

92,000 BCE

~2 Billion Years Ago

Evolution of Multicellular Organisms

91,200 BCE

~1.2 Billion Years Ago

Cambrian Explosion

86,000 BCE

~600 Million Years Ago

Dinosaurs

82,300 BCE

~230 Million Years Ago

CT Extinction Event

80,650 BCE

~65 Million Years Ago

Homo Erectus

80,019 BCE

~1.89 Million Years Ago