Pokémon GO developer Niantic has compiled a list detailing how fans can celebrate Professor Willow‘s next birthday, which happens to be on July 21, 2018:
WISH A HAPPY BIRTHDAY TO PROFESSOR WILLOW!
Did you know our very own Professor Willow has a birthday this month? There are many ways to celebrate our favorite professor on July 21!
- Go out and explore your neighborhood
- Complete Research Tasks
- Visit a PokéStop you’ve never been to before
- Learn something new about your favorite Pokémon
- Wish him a happy birthday on social using #HappyBirthdayProfessorWillow
Source: Niantic
Pokémon Blog 
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