Editing Decay of Nations (section)

== Event editions ==

The following table lists the nineteen numbered editions of Decay of Nations from 2007 to 2026.

Dates refer to the documented main event period, including associated registration or preliminary activities where these were included in historical event listings.

Scenario subtitles are provided where supported by surviving event records.

{| class="wikitable sortable"
! Edition
! Year
! Dates
! Scenario or notable information
|-
| [[Decay of Nations 1]]
| 2007
| 25–26 August
| Inaugural documented edition
|-
| [[Decay of Nations 2]]
| 2008
| 22–24 August
| Second edition
|-
| [[Decay of Nations 3]]
| 2009
| August
| Third edition
|-
| [[Decay of Nations 4]]
| 2010
| August
| Fourth edition
|-
| [[Decay of Nations 5]]
| 2011
| 27–28 August
| General Toklas documented among command staff
|-
| [[Decay of Nations 6]]
| 2012
| 13–14 October
| ''The World Is Yours''
|-
| [[Decay of Nations 7]]
| 2013
| 20–22 September
| Seventh edition
|-
| [[Decay of Nations 8]]
| 2014
| 19–21 September
| Eighth edition; alien-themed scenario elements
|-
| [[Decay of Nations 9]]
| 2015
| 19–20 September
| ''Third World Power''
|-
| [[Decay of Nations 10]]
| 2016
| 24–25 September
| Tenth edition
|-
| [[Decay of Nations 11]]
| 2017
| 30 September – 1 October
| Eleventh edition
|-
| [[Decay of Nations 12]]
| 2018
| 29–30 September
| Twelfth edition; eleventh anniversary
|-
| [[Decay of Nations 13]]
| 2019
| 28–29 September
| General Lurch and General Ant announced as opposing commanders
|-
| [[Decay of Nations 14]]
| 2021
| 25–26 September
| Fourteenth edition
|-
| [[Decay of Nations 15]]
| 2022
| 1–2 October
| Fifteenth edition
|-
| [[Decay of Nations 16]]
| 2023
| 30 September – 1 October
| ''Utopia's Stand''
|-
| [[Decay of Nations 17]]
| 2024
| 28–29 September
| ''World in Chaos''
|-
| [[Decay of Nations 18]]
| 2025
| 27–28 September
| ''Retribution''
|-
| [[Decay of Nations 19]]
| 2026
| 26–27 September
| ''Uprising''
|}

The numbering follows the organisers' published edition numbers rather than the number of calendar years elapsed since 2007.

Not all historical editions have surviving records of their final scores, commanders or official subtitles. These details are documented in the individual event articles where reliable sources are available.