Pokémon GO has announced multiple new events today! First up is a big event for Halloween, which runs from October 17th at 1pm PT (8pm UTC) until November 1st and includes the release of Pokémon Yamask and Darkrai, boosted spawns of Ghost and Dark type Pokémon, and costumed starter Pokémon. Full details below.
Next, is a short event from November 1st at 1pm PT (8pm UTC) until November 4th, which features the three Regis in 5* raids, with possible shiny. Plus other boosted spawns listed below.
The third event involves Regigigas - it will be appearing in EX Raids from November, however a special early-access ticket has been announced, priced at $7.99. The paid event runs from 11am to 7pm on November 2nd and gives Special Research named A Colossal Discovery
and other features (see below).