2008 was Solia Online's first year.
June[]
- June 19 - Solia Online grand opening as the site was adapted from TornFaun. Gold gain was temporarily turned up to five times the normal setting.
- June 19 - June Monthly Collectables released: Lunar Leader Wings and Solar Leader Wings.
- June 22 - Shop update; 25 Gold Store! opened selling Lunar and Sun sets.
- June 24 - Gold gain returned to normal.
July[]
- July 1 - Trades released.
- July 3 - July Monthly Collectables released: Sash of Golden Leaves and Twilight Star.
- July 30 - Twilight Charity Auction began.
August[]
- August 1 - August Monthly Collectables released: Majig-a-ma-Angry Kitty and Pandamonium.
- August 13 - New server installed to cope with higher site traffic.
September[]
- September 1 - September Monthly Collectables released: Mask of Luna and Mask of Sol.
- September 4 - Item Update commenced, making a lot of items unisexed, and adding new items. Users were first seen to notice in this thread [1], even though the official update had already been up for several hours with out anyone noticing.
- September 20 - Solia Online went offline and then returned for its first major update in which the whole layout of the site among many other things were upgraded.
October[]
- October 1 - October Monthly Collectables released: 13th Tail and Seeping Darkness.
- October 14 - Solian Idol started, requesting art entries with the chance for the winner to be a hired CG artist for Solia Online or have a set of their emoticons used on the site. First official NPC Bryan Mac Cloud introduced.
- October 15 - Snadien Jaminson introduced, opening Professor Jaminson's Lab and selling HCFR-983.
- October 17 - Accessory Shop opened with a range of new accessories.
- October 19 - New serum HCFR-1490 released.
- October 22 - New serum HCFR-2980 released. HCFR-1490 and HCFR-983 were re-pixeled.
- October 28 - New serum HCFR-3001 released. "Full Moon" to begin tonight.
- October 31 - Trick or Treat began.
- October 31 - Emoticon voting for Solian Idol began.
November[]
- November 1 - November Monthly Collectibles released: Lunar Tail, Windflower, and November 2008 Toy Capsule.
- November 7 - Trick or Treat ended.
- November 9 - Emoticon voting for Solian Idol ended.
- November 28 - First round voting for Solian Idol began.
December[]
- December 1 - December Monthly Collectibles released: Quartz Blade, Ruby Bolt Sword, and December 2008 Toy Capsule. The Random Event Cube was also released and Solia Online got a new Winter-themed header featuring falling snow.
- December 2 - First round voting for Solian Idol ended.
- December 16 - The Trial of Snadien Jaminson began.
- December 17 - Second round voting for Solian Idol began.
- December 22 - Solian Idol Item Contest announced.
- December 23 - Solians were able to travel to the North Pole, where Santa's helper Jim gave everybody a ticket to Workshop 42A to claim a Christmas Gift Box.
- December 25 - First round voting for Solian Idol Item Contest began.
- December 25 - Voting to decide who was guilty out of Snadien Jaminson, Dr. Emilia Astrovitch, Bill Shuman, Bryan Mac Cloud, Candice Stratus and Jim following The Trial of Snadien Jaminson began.
- December 26 - Christmas Gift Boxes able to be opened, revealing a Zombie Head and a battle between humans, zombies and ghouls in A Christmas Nightmare.