This is a list of wars occurring on the island of Great Britain.
| Year(s) | Conflict | Location (modern) | Notes | Result | Citation | |
|---|---|---|---|---|---|---|
| 55–54 B.C. | Caesar's invasions of Britain | England | Roman tributaries set up in a limited area. | [1] | ||
| 49–96 [A.D.] | Roman conquest of Britain | Great Britain | Roman Empire conquers Britain from the native Celts | [2] | ||
| 208–10 | Severan invasion of Caledonia | Scotland | Part of the Roman occupation of Britain | Roman failure- withdrawal to Hadrian's Wall | [3] | |
| 286–96 | Carausian Revolt | England | Part of the Roman occupation of Britain | Roman victory- rebellion crushed | [4] | |
| 367–68 | Great Conspiracy | Great Britain | Part of the Roman occupation of Britain | Roman victory | [5] | |
| 410–927 | Anglo-Saxon invasions and creation of England | Great Britain | Anglo Saxon victory: Celts hold out in Cumbria and Cornwall | [6] | ||
| 865–78 | Invasion of the Great Heathen Army | England | Part of the Norse invasions of Britain | Danelaw established- Most of Northern and Eastern England under Norse control | [7] | |
| 1015–16 | Cnut's invasion of England | England | Part of the Norse invasions of Britain | Norse victory- Cnut becomes King of England | [8] | |
| 1066–71 | Norman conquest of England | England | Norman victory- William the Conqueror becomes King of England | [9] | ||
| 1067–1194 | Norman invasion of Wales | Wales | Welsh victory- Normans forced out of Wales | [10] | ||
| 1075 | Revolt of the Earls | England | Civil war | Norman victory | [11] | |
| 1088 | Rebellion of 1088 | England | Civil war | Failure of rebellion | [12] | |
| 1135–54 | The Anarchy | England | Civil war | Treaty of Wallingford | [13] | |
| 1173–74 | Revolt of 1173–74 | England | Civil war | Rebellion crushed | [14] | |
| 1211 | Welsh uprising of 1211 | Wales | Part of the Anglo-Welsh Wars | Peace signed- rebellion nominally defeated but Wales enjoys greater autonomy | [15] | |
| 1215–17 | First Barons' War | England | Civil war | Angevin victory | [16] | |
| 1262–66 | Scottish–Norwegian War | Scotland | Scottish victory- Hebrides and Isle of Man occupied by Scotland | |||
| 1264–67 | Second Barons' War | England | Civil war | Royalist victory | [17] | |
| 1277; 1282–83 | Edwardian conquest of Wales | Wales | Part of the Anglo-Welsh Wars | English victory- Wales conquered by Edward I | [18] | |
| 1296–1328 | First War of Scottish Independence | Scotland; England; Ireland | Part of the Anglo-Scottish Wars | Scottish victory- Scotland gains independence | [19] | |
| 1321–22 | Despenser War | Wales; England | Civil war | Royalist victory | ||
| 1332–57 | Second War of Scottish Independence | Scotland | Part of the Anglo-Scottish Wars | Scottish victory | [20] | |
| 1381 | Peasants' Revolt | England | Rebellion Crushed | [21] | ||
| 1400–15 | Glyndŵr Rising | Wales | Part of the Anglo-Welsh Wars | English victory | [22] | |
| 1455–85 | Wars of the Roses | England; Wales | Civil war | Eventual Lancastrian victory | [23] | |
| 1497 | Cornish Rebellion of 1497 | Cornwall | English victory | [24] | ||
| 1543–50 | War of the Rough Wooing | Scotland; England | Part of the Anglo-Scottish Wars | Scottish victory | [25] | |
| 1549 | Prayer Book Rebellion | England | Civil War | Rebellion suppressed | [26] | |
| 1549 | Kett's Rebellion | England | Rebellion suppressed | [27] | ||
| 1569–70 | Rising of the North | England | Elizabethan victory | [28] | ||
| 1639–53 | Wars of the Three Kingdoms | Great Britain | Civil war | English Parliamentarian victory:
| [29] | |
| 1685 | Monmouth Rebellion | England | Rebellion crushed | [30] | ||
| 1689–92 | Jacobite Rising of 1689 | Scotland | Civil War | Government victory | ||
| 1715–19 | Second Jacobite Rising | Scotland; England | Civil War | British victory | [31] | |
| 1745–46 | Third Jacobite Rising | Scotland; England | Civil War | British victory | [32] |