Summer Event

Summer Event was an event in Pokémon GO. It also featured the GO Fest Weekly Challenge: Friendship Timed Special Research.

Also during the event, a Pokémon Spotlight Hour featuring Oddish happened.

Featured Pokémon
Selected Summer-themed had increased spawn rates in the wild:

The following Pokémon were released with the start of the event.

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

Additionally, 5-km Eggs obtained during the event would hatch more of these Pokémon.

The following Raid Bosses were available for a time of this event.

Field Research event tasks
There were several Field Research tasks exclusively for the duration of the event.