Timeline (Luna: Earth II)

The timeline of events of the Luna: Earth II universe.

Early History

 * circa. 4.6 billion years ago - A planet the size of Mars called Theia impacted the Earth with enough force to let billions of tonnes of debris into orbit around the Earth, that collected to form Luna, or the Moon.
 * The Lunar core is large and hot enough to create its own a magnetic field, millions of years before the Earth's was created.


 * c. 3.4 billion years ago - Millions of comets and asteroids impact both the Earth and Luna over the course of a million years or two, bringing along with them both water and microscopic life.
 * c. 3 billion years ago - Stromatolites on Luna use photosynthesis to create oxygen as a byproduct; oxygen is pumped into the atmosphere for billions of years.
 * c. 1.2 billion years ago - aquatic life on Luna flourishes in the sea until the atmosphere is complete.

Ancient and Medieval History (4000 BC - 1500 AD)

 * c. 70, 000 BC - The first humans, fully evolved from primates, walk the Earth.
 * c. 1700 BC - Many Asian and European astronomers thought Luna was another planet that harbored life like the Earth. But ancient Babylonian astronomers realized that it couldn't be a planet if it was rotating around the Earth every 28 days.
 * c. 200 BC - Seleucus of Seleucia theorized that tides were due to the attraction of the Moon, and that their height depends on the Moon's position relative to the Sun.

Early Modern History (1500 - 1800)
c. 1500 - Lunans first walk Luna. c. 1520 - The Walkula tribe explore other islands on Luna, searching for new mates.
 * August 3, 1492 – Christopher Columbus "sails the ocean blue" on his first journey across the Atlantic Ocean to Asia, while en route to the Americas. On his journey, a passenger wrote about how Columbus would stare at the Moon and would mutter, "First India, next... the Moon."
 * December 25, 1776 - While crossing the Delaware River, George Washington was reported saying to the rowers, "I wonder if they're doing this on the Moon."