06/03/2004 - Pete Golding joins the band as lead guitarist.
28/03/2004 - James DeGruyther joins the band as bass guitarist and vocalist. Tom Newman changes his band role to rhythm guitarist.
26/07/2004 - The band begin the construction of a website.
31/07/2004 - The Hero Of The Day website is finished and launched.
15/08/2004 - The band's website reaches 500 hits, over 200 hits in a single day.
15/09/2004 - Dee's drumkit is moved into the new practise room.
19/09/2004 - The band successfully set up the new practise area. Chris French celebrates his 17th birthday.
03/10/2004 - James Dee celebrates his 17th birthday.
05/11/2004 - Hero Of The Day celebrate the 1000th hit on band's website.
20/11/2004 - Leah Dee celebrates her 14th birthday.
01/01/2005 - Tom Newman celebrates his 17th birthday.
05/03/2005 - Hero Of The Day celebrates it's 1st birthday.
03/05/2005 - James DeGruyther leaves the band due to creative differences.
04/05/2005 - Pete Golding leaves the band due to commitment problems. To this date Pete only ever attended three practise sessions.
01/07/2005 - Hero Of The Day win a legal battle against Wheelchairs For The Blind and have their website removed.
12/09/2005 - Chris French joins Hero Of The Day as bass guitarist.
19/09/2005 - Chris French celebrates his 18th birthday.
25/09/2005 - The band change their name from "Hero Of The Day" to "Chaos Engine."
03/10/2005 - James Dee celebrates his 18th birthday.
05/11/2005 - Jamie Giacomelli joins Chaos Engine for a trial period as lead guitarist and lead vocalist.
18/11/2005 - Jamie Giacomelli decides against joining Chaos Engine.
20/11/2005 - Leah Dee celebrates her 15th birthday.
22/11/2005 - Matt Buckley joins Chaos Engine for a trial period as lead guitarist.
18/12/2005 - After the band turns away Matt Buckley, Chris French changes his band role from bass guitarist to lead guitarist.
01/01/2006 - Tom Newman celebrates his 18th birthday.
20/01/2006 - Martin Higgins joins Chaos Engine for a trial period as bass guitarist.
17/02/2006 - Martin Higgins officially joins Chaos Engine as bass guitarist.