The Murder of '01 was an incident that occurred in 2001 at Freddy Fazbear's Pizza; The details of this attack (and the identity of the killer responsible being Purple Guy) were not given, but it allegedly caused the loss of the five children that have been killed in a birthday party. The date was 1/27/01 on the birthday party.
The details stated that it was Baxter's 2nd Birthday as he had a birthday party with Fantacy and the rest of baxter's friends when they were just kids, just then a purple figure appeared and killed mostly all of everyone, Fantacy saved baxter from being impaled through as fantacy took the stab instead, She said in her dieing breath "Run! Run as fast as you....can!" before she died, baxter ran for his life from the purple guy.