Timeline Home | to 1000 | 1001-1200 | 1201-1400 | 1401-1600 | 1601-1800 | 1901-present
1820s
March 17, 1821 - Greek War of Independence: The Maniots at Areopoli declare war on the Turks beginning the Greek War of Independence
1825 - Java War: Fighting begins between the Javanese under Prince Diponegoro and Dutch colonial forces
October 20, 1827 - Greek War of Independence: An allied fleet defeats the Ottomans at the Battle of Navarino
1830s
1830 - Java War: The conflict ends in a Dutch victory after Prince Diponegoro is captured
April 5, 1832-August 27, 1832 - Blackhawk War: US troops defeat an alliance of Native American forces in Illinois, Wisconsin, and Missouri
October 2, 1835 - Texas Revolution: The war begins with a Texan victory at the Battle of Gonzales
December 28, 1835 - Second Seminole War: Two companies of US soldiers, under Major Francis Dade, are massacred by the Seminoles in the first action of the conflict
March 6, 1836 - Texas Revolution: After 13 days of siege, the Alamo falls to Mexican forces
March 27, 1839 - Texas Revolution: Texan prisoners of war are executed at the Goliad Massacre
April 21, 1836 - Texas Revolution: The Texan Army under Sam Houston defeats the Mexicans at the Battle of San Jacinto, winning independence for Texas
December 28, 1836 - War of the Confederation: Chile declares war on the Peru-Bolivian Confederation beginning the conflict
December 1838 - First Afghan War: A British army under General William Elphinstone marches into Afghanistan starting the war
August 23, 1839 - First Opium War: British forces capture Hong Kong in the opening days of the war
August 25, 1839 - War of the Confederation: Following defeat at the Battle of Yungay, the Peru-Bolivian Confederation is dissolved, ending the war
1840s
January 5, 1842 - First Afghan War: Elphinstone's army is destroyed as it retreats from Kabul
August 1842 - First Opium War: After winning a string of victories, the British force the Chinese to sign the Treaty of Nanjing
January 28, 1846 - First Anglo-Sikh War: British forces defeat the Sikhs at the Battle of Aliwal
April 24, 1846 - Mexican-American War: Mexican forces rout a small US cavalry detachment in the "Thornton Affair"
May 8-9, 1846 - Mexican-American War: US forces under Brigadier General Zachary Taylor defeat the Mexicans at the Battle of Palo Alto and the Battle of Resaca de la Palma
February 22, 1847 - Mexican-American War: After capturing Monterrey, Taylor defeats Mexican General Antonio López de Santa Anna at the Battle of Buena Vista
March 9-September 12, 1847 - Mexican-American War: Landing at Vera Cruz, US forces led by General Winfield Scott conduct a brilliant campaign and capture Mexico City, effectively ending the war
April 18, 1847 - Mexican-American War: American troops win the Battle of Cerro Gordo
August 19-20, 1847 - Mexican-American War: The Mexicans are routed at the Battle of Contreras
August 20, 1847 - Mexican-American War: US forces triumph at the Battle of Churubusco
September 8, 1847 - Mexican American War: American forces win the Battle of Molino del Rey
Septebmer 13, 1847 - Mexican-American War: US troops capture Mexico City after the Battle of Chapultepec
1850s
March 28, 1854 - Crimean War: Britain and France declare war on Russia in support of the Ottoman Empire
September 20, 1854 - Crimean War: British and French forces win the Battle of Alma
September 11, 1855 - Crimean War: After an 11-month siege, the Russian port of Sevastopol falls to British and French troops
March 30, 1856 - Crimean War: The Treaty of Paris ends the conflict
October 8, 1856 - Second Opium War: Chinese officials board the British ship Arrow leading to the outbreak of hostilities
1860s
October 6, 1860 - Second Opium War: Anglo-French forces capture Beijing effectively ending the war
April 12, 1861 - American Civil War: Confederate forces open fire on Fort Sumter beginning the Civil War
June 10, 1861 - American Civil War: Union troops are beaten at the Battle of Big Bethel
July 21, 1861 - American Civil War: In the first major battle of the conflict, Union forces are defeated at Bull Run
August 10, 1861 - American Civil War: Confederate forces win the Battle of Wilson's Creek
August 28-29, 1861 - American Civil War: Union forces capture Hatteras Inlet during the Battle of Hatteras Inlet Batteries
October 21, 1861 - American Civil War: Union troops are beaten at the Battle of Ball's Bluff
November 7, 1861 - American Civil War: Union and Confederate forces fight the inconclusive Battle of Belmont
November 8, 1861 - American Civil War: Captain Charles Wilkes removed two Confederate diplomats from RMS Trent inciting The Trent Affair
January 19, 1862 - American Civil War: Brigadier General George H. Thomas wins the Battle of Mill Springs
February 6, 1862 - American Civil War: Union forces capture Fort Henry
February 11-16, 1862 - American Civil War: Confederate forces are defeated at the Battle of Fort Donelson
February 21, 1862 - American Civil War: Union forces are beaten at the Battle of Valverde
March 7-8, 1862 - American Civil War: Union troops win the Battle of Pea Ridge
March 9, 1862 - American Civil War: USS Monitor fights CSS Virginia in the first battle between ironclads
March 23, 1862 - American Civil War: Confederate troops are defeated at the First Battle of Kernstown
March 26-28, 1862 - American Civil War: Union forces successfully defend New Mexico at the Battle of Glorieta Pass
April 6-7, 1862 - American Civil War: Major General Ulysses S. Grant is surprised but wins the Battle of Shiloh
April 5-May 4 - American Civil War: Union troops conduct the Siege of Yorktown
April 10-11, 1862 - American Civil War: Union forces capture Fort Pulaski
April 12, 1862 - American Civil War: The Great Locomotive Chase takes place in northern Georgia
April 25, 1862 - American Civil War: Flag Officer David G. Farragut captures New Orleans for the Union
June 8, 1862 - American Civil War: Confederate forces win the Battle of Cross Keys in the Shenandoah Valley
June 9, 1862 - American Civil War: Union forces lose the Battle of Port Republic
June 26, 1862 - American Civil War: Union troops win the Battle of Beaver Dam Creek (Mechanicsville)
June 27, 1862 - American Civil War: Confederate forces overwhelm the Union V Corps at the Battle of Gaines' Mill
June 29, 1862 - American Civil War: Union troops fight the inconclusive Battle of Savage's Station
June 30, 1862 - American Civil War: Union forces hold at the Battle of Glendale (Frayser's Farm)
July 1, 1862 - American Civil War: The Seven Days Battles ended with the Union victory at the Battle of Malvern Hill
August 9, 1862 - American Civil War: Major General Nathaniel Banks is defeated at the Battle of Cedar Mountain
August 28-30, 1862 - American Civil War: General Robert E. Lee wins a stunning victory at the Second Battle of Manassas
September 1, 1862 - American Civil War: Union and Confederate forces fight the Battle of Chantilly
September 17, 1862 - American Civil War: Union forces win a strategic victory at the Battle of Antietam
October 8, 1862 - American Civil War: Union and Confederate forces clash in Kentucky at the Battle of Perryville
December 13, 1862 - American Civil War: The Confederates win the Battle of Fredericksburg
December 31, 1862-January 2, 1863 - American Civil War: Union and Confederate forces clash at the Battle of Stones River
May 1-6, 1863 - American Civil War: Confederate forces win a stunning victory at the Battle of Chancellorsville
May 12, 1863 - American Civil War: Confederate forces are beaten at the Battle of Raymond during the Vicksburg Campaign
May 18-July 4, 1863 - American Civil War: Union troops conduct the Siege of Vicksburg
May 21-July 9, 1863 - American Civil War: Union troops under Maj. Gen. Nathaniel Banks conduct the Siege of Port Hudson
June 9, 1863 - American Civil War: Cavalry forces fight the Battle of Brandy Station
July 1-3, 1863 - American Civil War: Union forces under Maj. Gen. George G. Meade win the Battle of Gettysburg and turn the tide in the East
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