Eggstravaganza

Eggstravaganza is a seasonal event in Pokémon GO that takes place in spring to celebrate real-world Easter.

2017 event
2017 Eggstravaganza event took place from April through April, 2017.

Features
Trainers received double XP and, if a Lucky Egg was active, the amount of XP received would be be quadrupled.

Pokémon Eggs hatchlings
A greater variety of Pokémon could hatched from 2-km eggs, and the amount of candy received from hatched Eggs was also increased.

Only these, following Pokémon were hatching from eggs during the event. After this time the all hatchlings were the same as prior the event.

Shop special offer
There was special offer available in the shop. The cost of Lucky Eggs were 50% off during the event.

2018 event
2018 Eggstravaganza event takes place between March and April, 2018.

Features
During this event, there are only 2-km Eggs obtainable from PokéStops. From each 2-km Eggs there is a chance of hatching one of Pokémon that are normally hatching from 5-km and 10-km Eggs. Moreover, trainers receive bonus Candy and double Stardust for each hatched Pokémon.

Shop special offer
There is also special offer in game shop for the time of this event, including Super Incubators and Star Pieces. Exact shop offer is yet to be determinated.

Trivia

 * Eggstravaganza event in 2018 was firstly confirmed with information found within game data, in form of announcement for News in-game feature.