2019

September

 * September 6 – Mysterion's anarchy is created due to Aegis Anarchy shutting down. SnippyKeegan was the first player to join.
 * September 7 – NightwalkerLots was firstly reported for admin abuse.
 * The first advertisement of Mysterion's Anarchy was posted. A Post made by SnippyKeegan on the Minecraft Forum.
 * September 10 – NightwalkerLots crashed Mysterion's Anarchy, leading to banning for a short period.

December

 * Raidz's discord account gets locked out by accident. In 2021, he got it back.
 * BionicBen1218 makes a YouTube video. titled "Tried making a new Minecraft skin but this happened..." Of course, Raidz, fusiongamer849, and CornerNickel7 were the first to comment.

Date unknown

 * fusiongamer849 joins Mysterion's Anarchy for the first time and is greeted by a kit from username121.
 * STOL is created and owned by Raidz
 * Chonk draws fan art for Mysterion's Anarchy