Planetary timeline:
Year
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0 - The big bang occurs for dimensional delta 40806, the pokemon
multiverse.
1073248124 - Materials forming the planet Poqmori stabilize in the Kalinstar
star system.
2147486347 - The first proteins join to form the DNA strand of 151 Mew. In
the same decade the DNA for 132 Ditto emerges. At the end of the
decade, the basic DNA for 251 Celebi emerges.
The age of Epoch begins.
Epoch +
10 - The simple proteins that form 385 Jirachi emerge, from the
intermingling of #151 Mew and #251 Celebi.
2000 - The two developing organisms find the persuit of life unusually
harsh. However a nearby wormhole feeds new proteins from all over
the multiverse, introducing a heavy concentration of lifeforms
from points all over the multiverse, which fall into the planet,
introducing a diverse protein matrix.
10000 - Photosynthetic algae emerge
1000000 - Plants emerge.
10000000 - Simple animals evolve.
20000000 - Fish become a distinct species from protomatter.
30000000 - Amphibians split from fish, move to land.
40000000 - Reptiles and amphibians seperate.
70000000 - Dinosaurs emerge.
100000000 - Insects emerge.
130000000 - Mammals emerge.
160000000 - Birds emerge.
200000000 - Carniferns emerge.
400000000 - The Wrath of Mount Lavos occurs. Large dinosaurs go extinct.
Small dinosarus survive.
800000000 - Distinct patterns emerge from the Simple Animals emerge, forming
the basis of pokemon. The age of Pokemon begins.

Pokemon +
2000 - Mew emerges.
2400 - Celebi emerges.
2689 - Jirachi is born. (With Mew and Celebi as parents)
2848 - Psychic types emerge (From Mew).
2917 - Grass types emerge (From Celebi).
3236 - Normal types emerge (From Jirachi).
3718 - Gyarados emerges (Dragon type base).
4484 - Pikachu emerges (Electric type base).
4587 - Vulpix emerges (Fire type base).
4981 - Electric types emerge.
5096 - Dragon types emerge.
5147 - Geodude emerges (Ground type base).
5280 - Gyarados devolves to Magikarp.