Hatchathon

Hatchathon is a unique event in Pokémon GO that takes place between November and November, 2018. It features the cross-generation Pokémon.

Features
Pokémon with Sinnoh evolved forms such as Rhyhorn, Porygon and Magby can be hatched in 2-km Eggs.

Following Pokémon hatched from 2-km Eggs during this event:

Moreover, these Shiny Pokémon were released with the start of the event.