| Date | Event |
1853 |
|
| March 2 | Menshikov arrives in Constantinople with demands on the Porte |
| May 21 | Menshikov leaves Constantinople, breaking off relations |
| May 31 | Russian ultimatum to Turkey |
| June 8 | British Fleet approaches Dardanelles |
| July 3 | Russian army crosses the Pruth into Moldavia |
| October 5 | Turkey declares war on Russia |
| October 28 | Turkish army crosses the Danube at Kalafat |
| October 30 | British Fleet enters the Bosphorus |
| November 4 | Russians defeated by Turks at Oltenitza |
| November 30 | Turkish naval squadron destroyed at Sinope |
1854 |
|
| January 4 | Allied fleets enter the Black Sea |
| January 8 | Russians invade the Dobruja |
| February 23 | The Guards leave England |
| March 10 | Baltic Fleet leaves Spithead |
| March 19 | French troops sail for Turkey |
| March 20 | French Baltic Fleet sails |
| March 28 | France and Great Britain declare war on Russia |
| April 5 | British arrive at Gallipoli |
| April 14 | Russians besiege Silistria |
| April 18 | Turkish victory at Rahova |
| April 20 | Austria and Prussia declare their neutrality |
| April 22 | Bombardment of Odessa |
| May 28 | Embarkation of Allied force for Varna |
| June 23 | Russians abandon the siege of Silitria |
| June 26 | Allied fleet arrives off Kronstadt |
| July 7 | Russians defeated at Giurgevo |
| July 28 | Russians withdraw across Pruth Russians defeat Turks at Bayezid in Asia Minor |
| August 13 | Allies besiege Bomarsund |
| August 16 | Surrender of Bomarsund |
| August 21 | Bombardment of Kola, in the White Sea, by British squadron |
| August 30 | British naval failure at Petropaulovsk |
| September 5 | Allies embark at Varna for Crimea |
| September 14 | Landing at Calamita Bay |
| September 19 | Encounter at River Bulganek |
| September 20 | Battle of Alma |
| September 23 | Russian fleet scuttled in Sebastopol |
| September 24 | Arrival of Colonel Williams at Kars 'Flank March' of the allies round Sebastopol |
| September 26 | British arrive at Balaclava |
| September 29 | Death of St Arnaud |
| October 12 | Times Fund set up |
| October 13 | Patriotic Fund set up |
| October 17 | First bombardment of Sevastopol |
| October 23 | Departure of Florence Nightingale and 38 nurses from England |
| October 25 | Battle of Balaclava |
| October 26 | Russian attack of 'Little Inkerman' |
| November 5 | Battle of Inkerman Florence Nightingale arrives at Scutari |
| November 14 | Hurricane in Crimea |
| December 22 | Sir Edmund Lyons replaces Admiral Dundas as commander of British Fleet |
| December 24 | Admiral Bruat succeeds Admiral Hamelin in command of French Fleet |
1855 |
|
| January 10 | Russian feint attack on Balaclava |
| January 17 | Russian attack on Eupatoria |
| January 26 | Sardinia joins the Allies |
| January 31 | Fall of Lord Aberdeen's government |
| February 05 | Lord Palmerston forms new government |
| February 20 | Allied attack across the Chernaya frustrated by snow storms |
| February 22 | Russians seize and fortify the Mamelon |
| February 24 | French attack on 'White Works' defeated |
| March 2 | Death of Tsar Nicholas I, succession of Alexander II who recalls Menshikov |
| March 15 | Vienna conference opens |
| April 4 | Second Baltic expedition leaves Spithead |
| April 9 | Second Bombardment of Sebastopol |
| April 26 | Vienna conference closes |
| May 1 | Fierce fighting on the French left, at the Quarantine Cemetery |
| May 2 | First expedition sails for Kertch and is recalled by Canrobert |
| May 16 | Canrobert resigns command of French army and is succeeded by Pelissier |
| May 23 | Expedition to Kertch sails again |
| May 25 | Capture of Kertch and Yenikale |
| May 26 | Allied naval forces enter Sea of Azof |
| June 5 | Massacre of boats' crew at Hango |
| June 6 | Third Bombardment of Sebastopol |
| June 8-9 | Capture of the 'White Works', the Mamelon and The Quarries by the Allies |
| June 16 | First Russian attack at Kars |
| June 17 | Fourth Bombardment of Sebastopol |
| June 18 | Main assault on the Malakov and Redan defeated with heavy loss |
| June 28 | Death of Lord Raglan |
| July 1 | General Sir James Simpson appointed to command British Army |
| July 14 | Conference at which Omar Pasha asks permission to withdraw troops for Asia Minor |
| August 7 | Second Russian attack at Kars |
| August 9 | Bombardment of Sveaborg |
| August 16 | Russian attack at Battle of Chernaya defeated by French and Sardinian forces |
| August 17 | Fifth Bombardment of Sebastopol |
| September 5 | Sixth Bombardment of Sebastopol |
| September 6 | Omar Pasha leaves for Asia Minor |
| September 8 | Attack on Malakov by French is successful, though French fail at Little Redan and Bastion du Mat. British fail at the Redan |
| September 9 | Russians evacuate Sebastopol |
| September 29 | Russian attack at Kars defeated Cavalry skirmishing at Eupatoria Omar Phasa's troops embark for Asia Minor |
| October 3 | Omar Phasa lands at Suchum Kaleh, with expedition for relief of Kars |
| October 7 | Kinburn expedition sails |
| October 17 | Allied expedition captures Kinburn, Ochakov evacuated |
| October 22 | Selim Pasha's army lands at Trebizona and marches to Erzerum |
| November 6 | Omar Pasha defeats Russians on river Ingur |
| November 11 | Sir James Simpson resigns, Succeeded by Sir William Codrington |
| November 15 | French magazine at Sebastopol explodes |
| November 25 | Surrender of Kars |
| December 8 | Omar Pasha's army forced to withdraw from River Skeniscal |
1856 |
|
| January 16 | The Tsar accepts the Austrian demands |
| January 29 | Russian guns bombard Sebastopol |
| February 24 | Paris Peace Conference opens |
| February 29 | Armistice in the Crimea |
| March 30 | Treaty of Paris signed |
| April 27 | Ratification of Treaty of Paris, formal end of the war |