First players to reach 99 in each skill:


Attack   Goldmagic 1   July 13, 2016   See rest
Defence   Goldmagic 1   July 13, 2016   See rest
Strength   Goldmagic 1   July 13, 2016   See rest
Constitution   Goldmagic 1   July 13, 2016   See rest
Ranged   Goldmagic 1   July 13, 2016   See rest
Prayer   Goldmagic 1   July 13, 2016   See rest
Magic   Goldmagic 1   July 13, 2016   See rest
Cooking   Goldmagic 1   July 13, 2016   See rest
Woodcutting   Goldmagic 1   July 13, 2016   See rest
Fletching   Goldmagic 1   July 13, 2016   See rest
Fishing   Goldmagic 1   July 13, 2016   See rest
Firemaking   Goldmagic 1   July 13, 2016   See rest
Crafting   Goldmagic 1   July 13, 2016   See rest
Smithing   Goldmagic 1   July 13, 2016   See rest
Mining   Goldmagic 1   July 13, 2016   See rest
Herblore   Goldmagic 1   July 13, 2016   See rest
Agility   Goldmagic 1   July 13, 2016   See rest
Thieving   Goldmagic 1   July 13, 2016   See rest
Slayer   Goldmagic 1   July 13, 2016   See rest
Farming   Goldmagic 1   July 13, 2016   See rest
Runecrafting   Goldmagic 1   July 13, 2016   See rest
Hunter   Goldmagic 1   July 13, 2016   See rest
Construction   Goldmagic 1   July 13, 2016   See rest
Summoning   Goldmagic 1   July 13, 2016   See rest
Dungeoneering   Goldmagic 1   July 13, 2016   See rest
Divination   Goldmagic 1   July 13, 2016   See rest
Invention   TBD   See rest
Archaeology   TBD   See rest


* Keep in mind that data before 2007 is missing, so some achievements may be inaccurate.