| 19 December 2023 |
| Founded |

The Treaty of Entioch dates back to December 19, 2023, when the Triple Defense and Friendship Alliance was established between the Imperial Sanctuary (Rep. Histarctica), the Territories of the Asmor Federation (Rep. The Dominion of the Asmor Federation), and The Three Isles (Rep. The Kingdom of the Three Isles).

| 29 December 2023 |
| The Federation of Utopias Unitum joins the alliance |

On December 29, 2023, The Federation of Utopias Unitum (Rep. Whiskany) joins the alliance, which at the same time changes its name to the Quadruple Defense and Friendship Alliance.

| 18 February 2024 |
| The Region of Warsaw joins the alliance |

On February 18, 2024, The Region of Warsaw (Rep. Vorrilium / Bullkids) is admitted as a new member of the alliance and it is simultaneously decided to change the name of the alliance to the Treaty of Entioch named after Histarctica's capital city.

| 18 March 2024 |
| Cantan-Cronos assumes the position of Provisional Secretary-General |

Cantan-cronos assumes the position of Provisional Secretary-General of the alliance pending an official election among the members.

| 18 March 2024 |
| Flag designed |

A flag for the alliance is crafted. The five stars in the flag symbolize Imperial Sanctuary, Territories of the Asmor Federation, The Three Isles, The Federation of Utopias Unitum and The Region of Warsaw who were all signatories to the original Treaty of Entioch.

| 31 March 2024 |
| Amendment |

By proposal from Histarctica, it was decided to transform the alliance from a defense alliance to a military alliance. Furthermore, two positions were added, respectively a Secretary-General and an Allied Supreme Commander.

| 9 April 2024 |
| Election of the first Secretary-General and Allied Supreme Commander |

Histarctica is elected as first Secretary-General and Whiskany as the first Allied Supreme Commander of the Treaty of Entioch.

| 28 April 2024 |
| Territories of the Asmor Federation relocates |

The Territories of the Asmor Federation move all their operations and administration to the Imperial Government.

| 10 May 2024 |
| The Arconian Empire joins the alliance |

On May 10, 2024, the Arconian Empire joins as a new member of the Alliance, following unanimous acceptance by the Alliance's members and Arconian Empire's signing of the Treaty.

| 3 June 2024 |
| Alliance joins the Atomic Defense Union |

On June 3, 2024, the Alliance joined the Atomic Defense Union (old version). A defense union which the Imperial Sanctuary and Liberlandia had already entered into on May 9, 2024.

| 24 June 2024 |
| Liberlandia is granted observer status |

On June 24, 2024, Liberlandia is granted observer status in the Alliance.

| 26 June 2024 |
| Closure of Imperial Sanctuary |

On June 26, 2024, the Imperial Sanctuary close itself down and move all of its regional operations into a new region called United Confederation of Planets.

| 27 June 2024 |
| Imperial Government relocates |

On June 27, 2024, the Imperial Government move all their operations and administration to The Royal Asmorian Federation.

| 17 July 2024 |
| Requirements regarding membership applications |

The members agreed that an application from a region to become a member of the alliance will only be voted on if at least one member can vouch for the applicant region in question.

| 31 July 2024 |
| United Democratic Nations is granted observer status |

On July 31, 2024, United Democratic Nations is granted observer status in the Alliance.

| 22 September 2024 |
| United Democratic Nations joins the Atomic Defense Union |

On September 22, 2024, United Democratic Nations joins the Atomic Defense Union (old version).

| 22 September 2024 |
| Bozarkia joins |

On September 22, 2024, Bozarkia joins the Atomic Defense Union (old version) and is granted observer status in the Alliance.

| 29 September 2024 |
| First N-Day |

On September 29, 2024, the members of the Alliance through ADU participated in the Alliance's first N-Day.

| 20 October 2024 |
| Reorganization of the Treaty |

In the aftermath of N-Day 11, leading military leaders joined forces to reorganize the Treaty's foundation and purpose. This led to the New Treaty of Entioch. A new organization and leadership was put in place to strengthen the Alliance and its future - the Treaty and the Atomic Defense Union (new) is merged in this new reorganization. The leading regions behind the reorganization were mainly the United Confederation of Planets and Liberlandia with Histarctica and Hemogard leading the new changes along with Whiskany.

Liberlandia, United Democratic Nations and Bozarkia are granted full membership after the reorganization.

The new founding members became: United Confederation of Planets, Liberlandia, United Democratic Nations, The Royal Asmorian Federation and The Three Isles.

The de facto leadership, however, was transferred to: United Confederation of Planets, Liberlandia, United Democratic Nations and Bozarkia in the New Treaty of Entioch.

| 16 November 2024 |
| The Royal Asmorian Federation ceases to exist |

The Royal Asmorian Federation ceases to exist and thus leaves the Treaty.