Events

An Event celebrates a special occasion and offers rewards for trainers. Events usually last a week or two and grant trainers a chance to complete their Pokédex by increasing the chance of acquiring rare Pokémon. Trainers may also see an increase in Pokémon spawns and receive more Items, XP, Stardust, and Candy.

2016 Events
There were 5 in-game events in 2016. 4 of them were worldwide available and one was exclusive event for Japan.

Halloween
Halloween, a seasonal event to celebrate real-world Halloween, that took place from October to November, 2016.

Daily Bonus Celebration
Daily Bonus Celebration, a unique event to celebrate introduction of Daily Bonus mechanic, that took place from November to November, 2016.

Lapras Event
Daily Bonus Celebration, a unique, Japan-exclusive event, that took place from November to November, 2016.

Thanksgiving
Thanksgiving, an event to celebrate real-world Thanksgiving, that took place from November to November, 2016.

Holiday
Holiday, an event to celebrate real-world Christmas, Hanukkah and the other winter holiday celebrations, that took place from December, 2016 to January , 2017.

Valentine's Day
This event took place from February 8th to February 15th.

Pokémon Day
This event took place from February 26th to March 6th.

Snorlax Event
The event took place from March 4th to March 13th.

Water Festival
This event took place from March 22nd to March 29th.

Eggstravaganza
This event took place from April 13th to April 20th.

Golden Week
This event took place from April 29th to May 7th.

Grass Weekend
This event took place from May 5th to May 8th.

Adventure Week
This event took place from May 18th to May 25th.

Solstice Week
This event took place from June 13th to June 20th.

Pikachu Outbreak
This event took place from August 9th to 15th.

Anniversary
This event took place from July 6th to July 24th.

Equinox
This event took place from September 22nd to October 2nd.

Halloween
This event took place from October 20th through November 2nd.

Global Catch Challenge
This event took place from November 17th to November 26th. This event featured unlocking Farfetch'd worldwide for 48 hours, as well as Double XP, Double Stardust, and 6 Hour Lure Modules.

Holiday 2017
This event took place from December, 2017 to January , 2018. This event featured Delibird and the release of most of the Water and Ice type Pokémon from the Hoenn region.

2018
So far there were 7 worldwide events during 2018 year and 2 Community Days - monthly events, that were introduced in January of this year.

Community Day
Community Day is the first in game, regular event introduced in January, 2018. This event lasts only few-hours on one, particular day of each month and during it players can catch a Pokémon with an exclusive move that cannot be obtain normally in gameplay.

Hoenn Pokémon Eggs
This event took place from January to February, 2018. All Pokémon Eggs acquired during this event were hatching only Pokémon from the Hoenn region. Also new promotional offer was available in the shop by the same time.

Hoenn Celebration
The second event of 2018 was related to newly added Hoenn-region Pokémon as well. This time, during the event that took place between February to, 2018, all Pokémon from Hoenn region were more common to spawn in the wild. New promotional offer was available in the shop from the beginning of the event to February, 2018.

During this event Kyogre stoped being available as a Legendary Raid Boss on February and Rayquaza started to be available as new Legendary Raid Boss from February  to March, 2018.

Valentine's Day
The second Valentine's Day-related event in the game and the first seasonal event of 2018 lasted just for three days, from February to, 2018, unlike the year ago, when it lasted for one week. During these event there was highly increased chance of approaching Luvdisc and Chansey in the wild and there was tripled Stardust reward for catching them.

Lunar New Year
The in-game event celebrating the Lunar New Year took place between February and, 2018. During this event Growlithe, Eevee, Snubbull, Poochyena and Electrike were spawning more often and for catching them Trainers were rewarded with bonus Stardust.

Pokémon Day
The second event for celebration of the anniversary of the franchise took place between February  and February, 2018 - which was much shorter time period than the year before event. During the event there was possibility to get Pikachu family members wearing party hats, similarly as during the year-before event, but with opportunities to have Pichu wearing this hat and to obtain shiny variants of these event Pokémon.

Legendary Week
This event took place between February and March, 2018 and during it there were all three Legendary Pokémon of Weather Trio available as the Raid Bosses. Depending on either Rayquaza or both Groudon and Kyogre together were defeated more times by players there were going to be respective weather boosted Pokémon more likely to hatch from eggs. This event included also promotional offer in the in-game shop.

Special Eggs Event
During this event it was more likely to hatch from eggs Pokémon "prefering" Windy weather - which was chosen as a result of previous event, during which trainers across the world defeated Rayquaza more times than Kyogre and Groudon combined. The event takes place from March to March, 2018.