Pokémon GO developer Niantic is hosting a special Europe-wide event to thank those who attended the recent Safari Zone event in Dortmund, Germany, for remaining patient as it worked through the technical issues that affected attendees. From 12:00 a.m. UTC on Tuesday, July 3 until 11:59 p.m. UTC on Wednesday, July 4, Pokémon such as Corsola, Roselia and Shiny Roselia are appearing throughout Europe.
Corsola, Roselia and Shiny Roselia now appearing in Pokémon GO throughout Europe until July 4 at 11:59 p.m. UTC
Pokémon Blog 