Haiku Day was a small event in Club Penguin, where players could meet Sensei in English[1], Portuguese[2] and Spanish[3] servers. It began on April 17, 2015, and ended on April 20, 2015. It was confirmed in issue #495 of the Club Penguin Times, as well as in the mascot's messages file, where Sensei said Happy Haiku Day![4]