Going over the history of World of Warcraft from its beginnings in 1999, all the way to the Battle For Azeroth expansion in 2018.

Game Timeline wowpedia article: Google "WoW gamepedia timeline" (Youtube breaks the link to this for some reason)
Computer Gaming World Magazine #208: http://www.cgwmuseum.org/galleries/issues/cgw_208.pdf
Subscriber chart: https://www.mmo-champion.com/content/5063-WoW-Down-to-5-6-Million-Subscribers

Videos used in this video:

World of Warcraft Gameplay Trailer 2005: https://www.youtube.com/watch?v=JyUDIZzvn7A
Everquest trailer from August 1998: https://www.youtube.com/watch?v=w0rv1pqCs-E
EverQuest Original 1999 Launch Video: https://www.youtube.com/watch?v=7AJdrc8ZsEI
PC Longplay [481] Warcraft: Orcs & Humans by World of Longplays: https://www.youtube.com/watch?v=LQ5YOWRzlyQ
Warcarft 2 gameplay by Cire2047: https://www.youtube.com/watch?v=s24ab4s0ev0
Diablo 2 gameplay by FirstPlays HD: https://www.youtube.com/watch?v=DNF_OfLo9h4
World of Warcraft ECTS 2001 Cinematic Trailer: https://www.youtube.com/watch?v=dLVA42osWUw
First WoW gameplay ECTS 2001: https://www.youtube.com/watch?v=wdmpW2gL77o
Indalamar Nurfed Warrior WoW Beta 2004 by DerTroll: https://www.youtube.com/watch?v=hM94UkLBEOE
Hyppe Stress test Wow beta US 2004-09-07 by Svante G: https://www.youtube.com/watch?v=6W9Glgvy4go
World of Warcraft Closed Beta 2004 by Potato League All Star: https://www.youtube.com/watch?v=GokBercdJgE
WoW gameplay trailer 2004: https://www.youtube.com/watch?v=R_X6ry_kQ_k
Throwback to Vanilla: Crowded Ironforge by Wowmusicable Warcraft Music: https://www.youtube.com/watch?v=aYQxfdFbxFo
World of Warcraft - Arathi Basin Trailer by GamerSpawn: https://www.youtube.com/watch?v=rbe-vy1p9ks
Leeroy Jenkins by J Jonah Jameson: https://www.youtube.com/watch?v=mLyOj_QD4a4
Onyxia Wipe Animation by Alachas1985: https://www.youtube.com/watch?v=HtvIYRrgZ04
Burning crusade announcement trailer: https://www.youtube.com/watch?v=YdqxOUk0G9s
Old WoW commercials: https://www.youtube.com/watch?v=_eRkWNjPLLg
Age of conan combat tutorial: https://www.youtube.com/watch?v=zIAsPkrLGK8
Age of Conan fatality montage by morgenmuffl: https://www.youtube.com/watch?v=T2X_SbZCHpc
Age of Conan cinematic: https://www.youtube.com/watch?v=ExXF3EXwvyQ
Warhammer Online cinematic: https://www.youtube.com/watch?v=JglnSrfJtyQ
Warhammer gameplay by Abomination421: https://www.youtube.com/watch?v=8e8a83GY2G8

Some music from ocremix.org:
'WetGrass Inspired' by AmIEviL: https://www.youtube.com/watch?v=wordp9vBB38
Seasons of War(Vanilla Cinematic Music): https://www.youtube.com/watch?v=a8grWvWSu6U
Cataclysm Defenders of Azeroth: https://www.youtube.com/watch?v=lADU8m3qCfU
Elwynn Forest Music: https://www.youtube.com/watch?v=MW4fASDkQXA
Shaping of the World: https://www.youtube.com/watch?v=NhrxGCMzRL0
'The Darkness and the Light' by McVaffe: https://www.youtube.com/watch?v=z2MCzeBiZHM
WoW Login Music: https://www.youtube.com/watch?v=eE5oaOOwInE
PoE Lioneye's Watch: https://www.youtube.com/watch?v=A5-1iV27kik
'Gift from Moscow' by McVaffe: https://www.youtube.com/watch?v=AwzGeBIDkF8 from ocremix.org
WoW Soundtrack War: https://www.youtube.com/watch?v=BBi9u6uyVB0
WoW BC Soundtrack Silvermoon City: https://www.youtube.com/watch?v=_n2NMzFAJ4o
Invincible Theme: https://www.youtube.com/watch?v=4n6WP9qHyRM
Dwarf Tavern Music: https://www.youtube.com/watch?v=Rx-yE6cvtiM
Last Stand of the Blood Elves: https://www.youtube.com/watch?v=heCQfQai9zs
Warlords of Draenor Login Music: https://www.youtube.com/watch?v=YOovc5OtCs0
Legion Anduin's Theme: https://www.youtube.com/watch?v=EvWH1KKOsoY