January 17, Russian attack on Eupatoria, north of Kalamata Bay.
January 26, The Kingdom of Piedmont joins the Allies.
January 31, Lord Aberdeen's government falls.
February 5, Lord Palmerston forms the new government.
February 20, Allied attack across the River Chernaya frustrated by snowstorm.
February 22, Russians seize and fortify the Mamelon, a position outside of the fortress and in front of the French lines.
February 24, French attack on Sevastopol fails.
March 2, Tzar Nicholas I, dies and is succeeded by Alexander II. Menshikov recalled.
March 15, Conference of Vienna opens.
April 4, Second Baltic expedition leaves Spithead.
April 9, Second bombardment of Sevastopol.
April 26, Vienna conference closes, without results.
May 1, Fierce fighting on the French left flank at the Quarantine cemetery.
May 2, First French expedition sails for Kertch, and is recalled by Conrobert.
May 16, Conrobert, French Commander, resigns command, and is replaced by Pélissier.
May 23, Expedition to Kertch sails again (Near the Sea of Azov, west of Sevastopol).
May 25, Kertch and Yenikale captured.
May 26, Allied naval forces enter the Sea of Azov.
June 5, 'Massacre' of Finnish crew by Russians at Hangö (Finland).
June 6, Third bombardment of Sevastopol. Capture of the Mamelon and the Quarries by the Allies.
June 16, First Russian attack at Kars (Armenia).
June 17, Fourth bombardment of Sevastopol.
June 18, Main assault on the Malakov and Redan defeated, with heavy losses.
June 28, Death of Lord Raglan.
July 1, General Sir James Simpson appointed to command of the British army in the Crimea.
July 14, Conference at which Turkish commander Omar Pasha asks permission to withdraw his troops and concentrate on Asia Minor.
August 7, Second Russian attack at Kars.
August 9, Bombardment of Sveaborg (Finland).
August 16, Russian attack at Battle of the Chernaya River and defeated by French and Kingdom of Piedmont forces (Northeast of Balaklava).
August 17, Fifth bombardment of Sevastopol.
September 5, Sixth bombardment of Sevastopol.
September 6, Omar Pasha leaves for Asia Minor.
September 8, At Sevastopol, the attack on the Malakov by the French is successful. The French fail at Little Redan, and Bastion du Mât. The British fail at the Redan.
September 9, The Russians evacuate the South Side of Sevastopol.
September 29, Russians attack at Kars defeated. Cavalry skirmishes at Eupatoria. Omar Pasha's troops embark for Asia Minor.
October 3, Omar Pasha's army lands at Suchum Kaleh, south of the Caucasus Mountains, with an expedition for relief of Kars.
October 7, Kinburn expedition sails for the mouth of the Dnieper River.
October 17, Allied expedition captures forts at Kinburn. Ochakov evacuated by Russians.
October 22, Selim Pasha's army lands at Trebizond, and marches to Erzerum. (Armenia)
November 6, Omar Pasha defeats the Russians at the River Ingur, south of the Caucasus Mountains.
November 11, Sir James Simpson resigns as British Commander, and is replaced by Sir William Codrington.
November 15, French magazine at Sevastopol explodes.
November 26, Russians surrender at Kars.
December 8, Omar Pasha's army forced to withdraw from the River Skeniscal, south of the Caucasus Mountains.
December 16, Count Esterhazy takes Austria's ultimatum to St. Petersburg.