This article is timeless and should be accurate for any version of the game.
Disasters are a system introduced in Patch 1.9 that replaced the previous MTTH event-based system used to simulate national disasters.
Disasters can be found under the ‘Stability and Expansion’ tab. The tab lists disasters that may happen if the country's situation matches the start conditions, or the disaster that is currently in progress. Once the start conditions are met, various conditions cause the disaster's progress to tick up by a certain amount each month from 0 to 100 until it reaches 100, at which point the disaster begins with an initial event. Progress on a disaster falls, or may stop altogether and be reset, when any of the prerequisites are not fulfilled. It is also possible for progress to be "on hold" where the disaster's prerequisites are fulfilled, but none of the monthly progress conditions are fulfilled.
While in a disaster, the country suffers a detrimental modifier, and special events happen on a monthly tick (not every month will have an event). The action required to end the disaster varies: usually it includes reversing whatever condition caused it to start (which is made more difficult by the disaster modifier), and often includes defeating rebels and stabilizing the country. Ending the disaster triggers an end event and removes the detrimental modifier.
For most disasters, the nation cannot suffer the same disaster again (the main exception being estate disasters). It is also only possible to be in one disaster at a time; progress on other disasters will halt when one begins.
Currently the following disasters are possible:
Resistance to the growing centralization in our country has culminated in a period of general crisis and conflict between Court and Country. Depending on how we handle this time of crisis we might come out of it a stronger country than before.
While we have succesfully secured the title of Emperor over the Chinese our Empire is one that scarcely includes any Chinese. If we are to be seen as anything but a foreign emperor we will need to integrate the Chinese as part of our government.