So, first, it’s just a theory. Don’t attack me in the comments :P
19??: William and Henry open Fredbear’s
1983: Bite of ‘83 happens to crying child
1983 for the next 6 days: Crying child is in coma
1983: Crying child dies. William kinda starts to go insane.
1985(?): William kills Charlotte outside of fredbear’s. Her soul then possesses the puppet.
1987: William kills 5 children. Puppet puts their souls into animatronics.
1987: Fnaf 2
1987: bite of ‘87 happens to Jeremy Fitzgerald
1989(?): Fazbear entertainment opens a new pizzeria.
1993: fnaf 1
1993: William builds the Funtime animatronics
1993: Elizabeth Afton dies
1993: William attempts to free the souls. The souls leave the animatronics (who were dismantled by William) and chase him into a springlock suit. The spring locks snap shut on William, killing him.
2023: fnaf 3
2023: fnaf SL
2024: Micheal finds the manager job opening
2024: fnaf 6
2025: help wanted
We’ll have to wait to learn what’s next.
Do you agree or disagree? Let me know in the comments!