| 1807 | |
| 18 October | French troops cross the Spanish frontier. |
| 30 November | Junot occupies Lisbon. |
| 1808 | |
| 23 March | The French occupy Madrid. |
| 2 May | Uprising in Madrid. |
| 14 July | The French, under Bessières, defeat the Spaniards, under Cuesta and Blake, at Medina del Rio Seco. |
| 22 July | The French, under Dupont, surrender at Baylen. |
| 1 August | A British force, under Sir Arthur Wellesley, lands at Mondego Bay, Portugal. |
| 17 August | Wellesley defeats Delaborde at Roliça. |
| 21 August | Wellesley defeats Junot at Vimeiro. |
| 30 August | Convention of Cintra: Wellesley recalled to England. |
| 30 October | The French evacuate Portugal. |
| 8 November | Napoleon enters Spain with 200,000 men. |
| 4 December | Napoleon occupies Madrid. |
| December | Moore advances from Salamanca. |
| 21 December | British cavalry victory at Sahagun. |
| 1809 | |
| 16 January | Moore killed at Battle of Corunna. |
| 22 April | Wellesley returns to Portugal. |
| 12 May | Wellesley crosses the Douro and captures Oporto. |
| 28-29 July | Wellesley defeats Joseph at Talavera. |
| 4 September | Wellesley is created Viscount Wellington. |
| 1810 | |
| 10 July | Massena takes Ciudad Rodrigo. |
| 24 July | Craufurd defeated by Ney on the Coa River. |
| 27 September | Wellington victorious over Massena at Busaco. |
| 10 October | Wellington enters the Lines of Torres Vedras. |
| 14 October | Massena discovers Lines and halts. |
| 17 November | Massena withdraws to Santarem. |
| 1811 | |
| 5 March | Graham victorious at Barrosa. |
| 10 March | Soult takes Badajoz. |
| 3-5 May | Wellington defeats Massena at Fuentes de Oñoro. |
| 6 May | Beresford begins first British siege of Badajoz. |
| 11 May | Brennier abandons Almeida to Wellington. |
| 16 May | Beresford defeats Soult at Albuera. |
| 19 May -17 June | Second British siege of Badajoz. |
| 1812 | |
| 8 January | Siege of Ciudad Rodrigo begins. |
| 19 January | Wellington takes Ciudad Rodrigo by storm. |
| 6-7 April | Wellington takes Badajoz by storm. |
| 22 July | Wellington defeats Marmont at Salamanca. |
| 12 August | Wellington enters Madrid. |
| 19 September | Wellington begins siege of Burgos. |
| 22 October | Wellington abandons siege of Burgos. |
| 22 Oct.-19 Nov. | Allied retreat to Portugal. |
| 19 November | Allied army arrives at Ciudad Rodrigo. |
| 1813 | |
| 21 June | Wellington defeats Joseph at Vitoria, created Field Marshal. |
| 25 July | Soult makes counterattack in the Pyrenees. Battles at Maya and Roncesvalles. |
| 28-30 July | Wellington defeats Soult at Sorauren. |
| 31 August | Graham takes San Sebastian by storm. |
| 31 August | Soult repulsed at San Marcial. |
| 7 October | Wellington crosses the Bidassoa into France. |
| 25 October | Pamplona surrenders. |
| 10 November | Wellington defeats Soult at the Battle of the Nivelle. |
| 9-12 December | Wellington defeats Soult at the Battle of the Nive. |
| 13 December | Soult repulsed by Hill at St Pierre. |
| 1814 | |
| 27 February | Wellington defeats Soult at Orthes. |
| 6 April | Napoleon abdicates. |
| 10 April | Wellington defeats Soult at Toulouse. |
| 14 April | French sortie from Bayonne. |
| 17 April | Soult surrenders. |
| 27 April | Bayonne surrenders. |
| 30 April | Treaty of Paris. |
| 3 May | Wellington created Duke. |