Virtual Magic Kingdom
The original game, Virtual Magic Kingdom, opened 23 May 2005 and ran for just under three years (closing 21 May 2008 after the removal of the ability to create new accounts about a month prior) as a promotion for Disney's 50th anniversary. Here are some resources to learn more about it and get connected to the still-existing community:
MyVMK $$ Trading Discord server
Are you aware of another related link that should be included here? Comment below: