in Greek mythology there were 5
rivers visible both in the living world and the underworld: Styx, Acheron, Lethe, Phlegethon, and Cocytus
is the birthday of the actor Matthew Perry, who appeared in "Friends". He was born in 1969
-Story Treehouse" is a 2014 book by Andy Griffiths. According to the blurb, "life is NEVER boring in the treehouse, and emergency shark operations, giant storms, and wooden pirate heads"