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Duchy rankMann
Primary culture
Highlander (Celtic)

Capital province
Mann (4365)

Feudal Nobility Government monarchy.png

State religion

Technology group
WesternWestern technology group
Manx ideas
Traditions.png Traditions:
–10% Ship cost
+20% National sailors modifier

Diplomat.png The Stanleys

+1 Diplomat

Core-creation cost.png Kings of Mann

−10% Core-creation cost

Possible advisors.png Tynwald High Court

+1 Possible advisor

Morale of navies.png Mann and the Isles

+15% Morale of navies

National unrest.png The Act of Settlement

−1 National unrest

Missionary strength vs heretics.png Burn the Heretic

+2% Missionary strength vs. heretics

Diplomatic annexation cost.png The Act of Revestment

−15% Diplomatic annexation cost

Idea bonus.png Ambition:

+5% Discipline

Mann is a nation located between the islands of Great Britain and Ireland. It does not exist in 1444 start because it is a part of the Kingdom of Flag of England England. It can be released by rebels, by the release nation button or through war.


An independent Flag of Mann Mann can form Flag of Great Britain Great Britain. If Flag of England England or Flag of Scotland Scotland don't exist, Flag of Mann Mann can reform them.


Execute decision.pngForm British Nation

By uniting our political development domestically and extending our influence beyond our borders we will be able to reinforce our position in world affairs and transform into one of the foremost European powers, the British Empire.

Potential requirements

Flag of Great Britain Great Britain does not exist.
The country:

If the country is AI-controlled then it:


The country:


If London (236) is part of the HRE, but its owner is not a member then:

  • the province is removed from the HRE.
  • the Holy Roman Emperor:
    • gets the opinion modifier “Removed provinces from the Empire” towards the owner, worth Opinion.png−50 opinion with a yearly decay of 1.
    • loses Imperial authority.png1 imperial authority.

London (236):

  • becomes the new capital of the owner country.

The country:

  • becomes Flag of Great Britain Great Britain.
  • gets new Mission.png missions.
  • (hidden) completes the mission War of the Roses without rewards.
  • gains Prestige.png25 prestige.
  • gets a permanent claim on every province of Britain that it does not own.
  • gets the modifier “Increased Centralization” for 20 years with the following effects:
    • Autonomy.png−0.05 monthly autonomy change,
    • National unrest.png+1 national unrest.

If Great Britain:

  • is a member of the Holy Roman Empire but not the emperor or an elector
    • then all its provinces are removed from the HRE.
  • is a duchy
    • then it becomes a Kingdom rank kingdom.
  • does not have custom ideas
  • (hidden) was formed by Flag of Scotland Scotland
  • (hidden) was formed by Flag of Ireland Ireland
  • has completed the mission Conquer Scotland and the Rule Britannia.png ‘Rule Britannia’ DLC is enabled
    • then:
      • it gets permanent claims on Orkney (369), Shetland (1978) and Färöarna (1979)
      • it gets claims on all provinces of the Iceland area which it does not own and which are not its core provinces.
  • has completed the mission Colonize Spice Islands and the Rule Britannia.png ‘Rule Britannia’ DLC is enabled
    • then it gets claims on all provinces of West Bengal which it does not own and which are not its core provinces.


Strategy The below is one of many player suggested strategies for Mann. Bear in mind, due to the dynamic nature of the game, it may unfold differently for other players.

As the Isle of Mann does not exist in 1444, selecting to play as this country puts the player in the rather unusual position to play as another nation, England, before switching to Mann. As such, the player, if one does not mind being a little dishonorable, has the ability to exploit England for the benefit of Mann. Without incrementing time, the player has the ability to either empower the small province nation or to strip away English power. Such actions include developing the province of Mann for monarch points or building a castle on the island. Alternatively, the player could sabotage England by breaking their alliance and insulting Portugal, disbanding the English army and navy, putting England in crippling debt (and making sure they can never recover by repeatedly taking and paying back loans), releasing other English vassals, either increasing autonomy in its provinces to hurt their income or decreasing autonomy to increase interest, disinheriting their heir and exploiting and upsetting their estates. More options can be taken if the player allows some time to pass before switching to the Isle of Mann

Once England has been sufficiently exploited to the player's content, be sure the last thing done is release and switch to the Isle of Mann. It is very important that this is done last, as, once released, it is not possible to legitimately switch to playing as Mann if not done so initially. Once the player has begun playing as the Isle of Mann, they should immediately begin preparing for an Independence war with England. If sufficiently dismantled, the player should easily have enough liberty desire to declare war on England the month the truce ends. Be sure to have at least one transport ship to ferry units to the British mainland. Mann has many options for alliances. Most, if not all of the other English vassals will be willing to join up and fight for independence, and it's worth noting that any that aren't allied with Mann when independence is declared will fight for the English side. Additionally, through diplomacy, France and Scotland could both make useful allies, although only one would likely be needed to beat back a crippled England. France is a good ally, as they are a powerful mainland nation (with no initial islands so you can keep them as an ally and still get the achievement), but may befriend Scotland, meaning some sneaky diplomacy must be done to take out Scotland and keep France as a friend. Alternatively, allying Scotland means that you can keep them from devouring England in between your truces with them, as, left unchecked, Scotland will take big bites out of England while Mann is stuck in a truce. However, if the player wishes to get the achievement for Mann, the Scots must be wiped off the map eventually, meaning they will be a less than permanent ally. Both France and Scotland may be allied at once if the player is lucky, although this may be a bit overkill for any immediate wars. Be sure that Mann is the one to declare war on England, and that puts Mann in the position to take the most territory for themselves and leave the rest to England for later.


Empire of Mann icon
As Mann, conquer all Islands in the world.
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