ranked list, engagements per year

The busiest years

The sixty years with the most placed engagements in the atlas, with the war that fills each and its best-known battles.

Engagements by decade since AD 1000

One bar per decade, coloured by era; the ancient and early medieval centuries are sparser and are counted on the century pages.

The busiest years

	Year	Engagements	Largest war that year	Best known
1	1944	269	World War II	Normandy landings, Battle of Monte Cassino, Liberation of Paris
2	1863	240	American Civil War	Battle of Gettysburg, Battle of Chancellorsville, Battle of Chickamauga
3	1864	217	American Civil War	Battle of Cold Harbor, Battle of the Wilderness, Battle of Spotsylvania Court House
4	1918	187	Middle Eastern theater of World War I	Second Battle of the Marne, Battle of Sardarabad, Battle of Vittorio Veneto
5	1945	179	World War II	Battle of Berlin, Battle of Iwo Jima, Battle of Okinawa
6	1862	172	American Civil War	Battle of Antietam, Battle of Fredericksburg, Second Battle of Bull Run
7	1943	154	World War II	Battle of Kursk, Third Battle of Kharkov, Battle of the Dnieper
8	1793	154	War in the Vendée	Siege of Toulon, Battle of Neerwinden, Battle of Hondschoote
9	1813	142	War of the Sixth Coalition	Battle of Leipzig, Battle of Vitoria, Battle of Lützen
10	1942	139	World War II	Battle of Stalingrad, Battle of Midway, Battle of the Coral Sea
11	1914	138	World War I	First Battle of the Marne, Battle of Tannenberg, Battle of Liège
12	1916	135	Western Front	Battle of Verdun, Battle of the Somme, Battle of Jutland
13	1794	130	War of the First Coalition	Battle of Fleurus, Battle of Racławice, Glorious First of June
14	1809	126	Peninsular War	Battle of Wagram, Battle of Aspern-Essling, Battle of Talavera
15	1941	124	Eastern Front	Attack on Pearl Harbor, Siege of Leningrad, Battle of Moscow
16	1915	120	World War I	Second Battle of Ypres, Gorlice–Tarnów Offensive, Siege of Van
17	1814	114	War of the Sixth Coalition	Battle of Paris, Battle of Champaubert, Battle of Baltimore
18	1812	110	French invasion of Russia	Battle of Borodino, Battle of Berezina, Battle of Smolensk
19	1939	102	1939 Invasion of Poland	Battle of the Atlantic, Battles of Khalkhin Gol, Battle of the River Plate
20	1940	96	World War II	Battle of Britain, Battle of France, Dunkirk evacuation
21	1917	96	Western Front	Battle of Caporetto, Third Battle of Ypres, Battle of Cambrai
22	1799	84	War of the Second Coalition	First Battle of Abukir, Siege of Acre, Battle of Mount Tabor
23	1808	84	Peninsular War	Battle of Bailén, Battle of Somosierra, Battle of Tudela
24	1795	82	French Revolution	Battle of Krtsanisi, Capture of the Dutch fleet at Den Helder, Battle of Groix
25	1920	79	Polish–Soviet War	Battle of Warsaw, Battle of Maysalun, Kyiv offensive
26	1796	79	French Revolution	Battle of Lodi, Battle of the Bridge of Arcole, Battle of Montenotte
27	1861	78	American Civil War	Battle of Fort Sumter, First Battle of Bull Run, Battle of Wilson's Creek
28	1866	75	Austro-Prussian War	Battle of Königgrätz, Battle of Lissa, Battle of Custoza
29	1865	73	American Civil War	Battle of Appomattox Court House, Battle of Five Forks, Battle of Riachuelo
30	1870	72	Franco-Prussian War	Battle of Sedan, Capture of Rome, Siege of Paris
31	1798	67	Irish Rebellion of 1798	Battle of the Nile, Battle of the Pyramids, Siege of Malta
32	1849	67	Hungarian Revolution of 1848	Battle of Novara, Battle of Chillianwala, Battle of Temesvár
33	1815	62	Neapolitan War	Battle of Waterloo, Battle of New Orleans, Battle of Ligny
34	1644	60	First English Civil War	Battle of Marston Moor, Battle of Shanhai Pass, Battle of Freiburg
35	1919	60	Russian Civil War	Scuttling of the German Fleet in Scapa Flow, Battle of Cēsis, Greek landing at Smyrna
36	1950	59	Korean War	Battle of Inchon, Battle of Changjin Reservoir, Battle of Pusan Perimeter
37	1848	58	First Italian War of Independence	Battle of Custoza, Battle of Goito, Skirmish of Pastrengo
38	1781	56	American Revolutionary War	Siege of Yorktown, Battle of the Chesapeake, Battle of Cowpens
39	1811	52	Peninsular War	Battle of Tippecanoe, Battle of Albuera, Battle of Lissa
40	1821	51	Greek War of Independence	Battle of Carabobo, Siege of Baghdad, Battle of Alamana
41	1643	49	First English Civil War	Battle of Rocroi, Battle of Tuttlingen, First Battle of Newbury
42	1900	49	Second Boer War	Battle of Spion Kop, Battle of Kousséri, Battle of Paardeberg
43	1831	48	November Uprising	Battle of Ostrołęka, Battle of Olszynka Grochowska, Battle of Warsaw
44	1868	46	Boshin War	Battle of Toba-Fushimi, Battle of Ueno, Battle of Awa
45	1838	45	First Carlist War	Battle of Blood River, Cincomarzada, Battle of Veracruz
46	1937	43	Spanish Civil War	Marco Polo Bridge incident, Battle of Shanghai, Battle of Nanking
47	1810	43	Peninsular War	Battle of Grand Port, Siege of Cádiz, Battle of Bussaco
48	1991	41	Croatian War of Independence	Battle of Vukovar, Siege of Dubrovnik, Battle of Khafji
49	1936	41	Spanish Civil War	Siege of Madrid, Siege of the Alcázar, Battle of Majorca
50	1921	41	Q1219590	Battle of Annual, Battle of Sakarya, Battle of Blair Mountain
51	1780	41	American Revolutionary War	Battle of Camden, Battle of Cape St. Vincent, Battle of Waxhaws
52	1806	40	War of the Fourth Coalition	Battle of Jena–Auerstedt, Battle of Lübeck, Battle of Pułtusk
53	1600	40	Eighty Years' War	Battle of Sekigahara, Battle of Nieuwpoort, Siege of Fushimi
54	1758	40	Seven Years' War	Battle of Zorndorf, Battle of Hochkirch, Battle of Carillon
55	1877	40	Tenth Russo-Turkish War	Battle of Shiroyama, Siege of Plevna, Battle of Shipka Pass
56	1912	40	First Balkan War	Battle of Kumanovo, Siege of Scutari, Battle of Adrianople
57	1899	40	Philippine–American War	Siege of Mafeking, Battle of Magersfontein, Siege of Ladysmith
58	1836	39	First Carlist War	Battle of the Alamo, Battle of San Jacinto, Battle of San Patricio
59	1898	39	Spanish–American War	Battle of Omdurman, Battle of Manila Bay, Battle of Santiago de Cuba
60	1779	39	American Revolutionary War	Great Siege of Gibraltar, Siege of Savannah, Battle of Grenada

Sources and method

Counts are placed engagements dated at least to the year. The decade chart shows the whole span.