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The Age of the Primordials is the time period from the beginning of the universe until the waning of Precursor influence on the galaxy.

Timeline Edit[]

C. 13.8 billion BC

The Big Bang. Creation of the Infinity Stones.

C. 4.6 billion BC

Formation of Earth

C. 4.28 billion BC

Earliest possible organic life-forms arise on Earth

C. 3.5 billion BC

Life of the Progenote/Last universal common ancestor

C. 3.2 billion BC

Having accidentally traveled through time, a group of Mala’kak, or Engineers, ends up on primordial Earth. One among them sacrifices himself and seeds Earth with his own DNA, accelerating the evolution of life.

Several species, primarily the Engineers and Precursors, begin to routinely take lifeforms from Earth and seed them across the cosmos, to the point where the majority of organic lifeforms are Earth-originated, with most sapient species displaying traits like spinal columns and limbs.

C. 1.85 billion BC

Eukaryotes evolve

C. 1.6 billion BC

Xenomorphs, originally conceived as bio-weapons, render the time-traveled Engineers extinct.

C. 1 billion BC

The Leviathans reign as dominant race of the Milky Way, dominating every sapient race they find, and protecting them in return for tribute. The Precursors isolate themselves during this time, knowing the Leviathans cannot reign forever.

They eventually create an entity known as the Intelligence, in an attempt to make organic life eternal. Eventually, the Intelligence betrays them and creates the Reapers, wiping them out. The Reapers then begin their harvesting cycle, destroying sapient life every 50,000 years (with the exception of those who are not discovered by them, like the Precursors). They construct the mass relay network, in order to cause the majority of sapients to develop on a similar path every cycle.

C. 580 million BC

Animals evolve

C. 560 million BC

Fungi evolve

C. 542 million BC

Chordates evolve

C. 541 million BC

Cambrian Explosion

C. 540 million BC

Arthropods evolve

C. 500 million BC

The Domain is possibly created by the Precursors.

C. 434 million BC

Terrestrial plants evolve

C. 430 million BC

Arachnids evolve

C. 396 million BC

Insects evolve

C. 370 million BC

Amphibians evolve

C. 360 million BC

Trees evolve

C. 330 million BC

Amniotes evolve

C. 310 million BC

Reptiles evolve

C. 298-252 million BC

Kaiju evolve

C. 260 million BC

The Gojira serizawaensis species thrives, but eventually declines with the lowering of global radiation levels. Eventually, Godzilla is the only remaining member of the species, going into deep hibernation for hundreds of millions of years, waking sporadically or with detection of radiation.

C. 251.4 million BC

Permian-Triassic extinction event, aka the Great Dying. 96% of marine life and 70% of terrestrial life on Earth are wiped out from not entirely known causes, including many Kaiju groups.

C. 231 million BC

Dinosaurs evolve

C. 225 million BC

Mammals evolve

C. 155 million BC

Birds evolve

C. 130 million BC

Flowering plants evolve

C. 80 million BC

The Celestials utilize the Power Stone, imposing judgement on civilizations. Eventually, the Cosmic Beings hide said Infinity Stone on Morag.

C. 70 million BC

Precursors seed maniraptoran dinosaurs on Eayn.

C. 66.043 million BC

Cretaceous-Paleogene extinction event. Non-avian dinosaurs rendered extinct on Earth. Partially caused by the impact of a 15-kilometer asteroid, volcanic activity, and possibly other causes.

C. 37 million BC

A Reaper is

Behind the scenes[]

Many elements are ideas borrowed from here.

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