| Type | Description | C3 | C4 |
|---|---|---|---|
| W | War | Combatant 1 | Combatant 2 |
| CP | Coup with foreign country involment | Country | Involved foreign country and result |
| CW | War involes land grab from another contry or clonnization of another country of part of that country | Imperial Power | Colonized Country or Territory |
| CVW | Civil War | Contry | Combatant 1 vs Combatant 2 |
| I/R | Country Idenpenent or Return of leased region to its orignial country | Country Independent or Returned | From who, or return to who |