| Roman invasions | 55/54 BCE Julius Caesar invades Britain | Romans first come to Britain |
| 43 AD Claudius invades Britain | Romans stay in Britain |
| 60/61 Battle of Watling Street | Boudicca defeated by the Romans |
| 793-c.1100 Scandinavian invasions | 793 Vikings attack Lindisfarne | Start of the Viking raids on the British coast |
| 878 Battle of Ethandun | Alfred the Great defeated the Danes |
| 1066 Battles of Harold | 1066 Battle of Stamford Bridge | Harold of England defeated Harald Hardradda of Norway |
| 1066 Battle of Hastings | William of Normandy defeated Harold of England |
| 1135-1154 Stephen and Maud Wars | 1141 Battle of Lincoln | Dispute as to who should succeed Henry I |
| 1215-1217 First Barons' War | 1216 Seige of Dover Castle | War caused by King John refusing to obey Magna Carta |
| 1264-1267 Second Barons' War | 1265 Battle of Evesham | Simon de Montfort defeated by forces of Henry III |
| 1296-1328 Wars of Scottish Independence | 1297 Battle of Stirling Bridge | William Wallace defeated the English army |
| 1298 Battle of Falkirk | Edward I defeated William Wallace |
| 1314 Battle of Bannockburn | Robert the Bruce defeated Edward II |
| 1337-1453 Hundred Years War | 1346 Battle of Crecy | Edward III defeated Philip VI of France |
| 1356 Battle of Poitiers | The Black Prince defeated John II of France |
| 1415 Battle of Agincourt | Henry V defeated the army of Charles VI of France |
| 1428-1429 Siege of Orleans | Joan of Arc defeated the English forces |
| 1381 Peasants' Revolt | 1381 Storming of the Tower of London | Richard II met Wat Tyler |
| 1455-1485 War of Roses | 1471 Battle of Tewkesbury | Edward IV defeated Henry VI |
| 1485 Battle of Bosworth Field | Henry Tudor defeated Richard III |
| 1585-1604 Anglo-Spanish War | 1588 Spanish Armada | Francis Drake defeated navy of Philip II of Spain |
| 1641-1651 English Civil War | 1642 Battle of Edge Hill | Royalists against Parliamentarians - result inconclusive |
| 1644 Battle of Marston Moor | Parliamentarians & Scottish Covenanters deafeated Royalists |
| 1645 Battle of Naseby | Oliver Cromwell defeated army of Charles I |
| 1648 Battle of Preston | Oliver Cromwell defeated the Royalists and Scots |
| 1685-1690 Battles involving James II | 1685 Monmouth Rebellion | Forces of James II defeated the Duke of Monmouth |
| 1689 Siege of Derry | Derry was beseiged unsuccessfully by a Jacobite army |
| 1690 Battle of Boyne | William of Orange defeated James II |
| 1715, 1745-1746 Jacobite Risings | 1715 Battle of Preston | British forces defeated forces of James Stewart |
| 1746 Battle of Culloden | British forces defeated forces of Charles Stewart |
| 1756-1763 Seven Years' War | 1759 Battle of the Plains of Abraham | James Wolfe died while taking Quebec |
| 1775-1783 American War of Independence | 1781 Siege of Yorktown | George Washington deafeated the British army |
| 1803-1815 Napoleonic Wars | 1805 Battle of Trafalgar | Horatio Nelson died while deafeating the French fleet |
| 1815 Battle of Waterloo | The Duke of Wellington defeated Napoleon Bonaparte |
| 1812-1815 War of 1812 | 1815 Battle of New Orleans | American army defeated British army |
| 1853-1856 Crimean War | 1854 Battle of Balaclava | Includes the Charge of the Light Brigade |
| British expansion in India | 1857 Indian Mutiny | British East India Company rule ended |
| 1839-1842 1856-1860 Opium Wars | 1860 Burning of Palaces in Beijing | Hong Kong ceded to Britain |
| 1879 Anglo-Zulu War | 1879 Battle of Isandlwana | Zulus deafeated British although British won the war |
| 1899-1902 Boer War | 1899-1900 Siege of Mafeking | Defended by Robert Baden-Powell |
| 1914-1918 First World War | 1916 Battle of Somme | Over 1.5 million casualties |
| 1916 Easter Rising | Occupation of Dublin General Post Office | Irish leaders executed by British |
| 1939-1945 Second World War | 1940 Dunkirk evacuation | British army evacuated using the "little ships" |
| 1940 Battle of Britain | British airforce kept control of British airspace |
| 1940-1941 The Blitz | German bombing of London, and other cities |
| 1942 Battles of El Alamein | Montgomery defeated Rommel in North Africa |
| 1944 Normandy Landings | British and American forces invaded France |
| Burma Campaign | Fall of Singapore |
| 1945- After Second World War | The Break-up of the British Empire | In India, Africa and elsewhere |
| The Troubles in Northern Ireland | Unionists versus Nationalists |
| 1982 Falklands War | Argentina invades the Falkland Islands |
| 1990-1991 Gulf War | Saddam Hussein invades Kuwait |
| War in Afghanistan | Part of the War on Terrorism |
| Iraq war | Overthrowing Saddam Hussein |
