Niantic announced that Pokémon GO's September Community Day schedule on September 22, 2018 and featured Chikorita.
Same as before, it will keep 3 hours Lure Modules and 3x XP.
At the same time, Niantic should release Shiny Chikorita and exclusive move, so let's wait Niantic for further...
Pokémon GO's Community Day in August will be scheduled on a special weekend, on August 11-12 and featured Eevee.
Eevee will appear in the wild more frequently for three hours each day. Same as before, it will keep 3 hours Lure Modules.
In additional, 3× catch Stardust.
Niantic did not...
Niantic announced that Pokémon GO's July Community Day schedule on July 8, 2018 and featured Squirtle.
Same as before, it will keep 3 hours Lure Modules. In additional, hatching distance only need 25%. So, Trainer remember to use Super Incubator.
Niantic did not announced for the Shiny...
Niantic announced a new interaction with your friends in Pokémon GO!! Trainers, can connect with your friends by New Friends System!! New Friends System is allowing trainers to have adding friends, friendship battle bonus, gifting and trading.