ranked list, day-dated sieges

The longest sieges

The 100 longest sieges in the atlas whose start and end are both recorded to the day, longest first. Duration is the recorded span, not the intensity of fighting.

The longest sieges

	Siege	Duration	Dates	Place	War
1	Sieges of Ceuta	32.5 years	23 October 1694 to 22 April 1727	Ceuta, Spain	Campaigns of Ismail Ibn Sharif
2	Siege of Candia	21.4 years	1 May 1648 to 27 September 1669	Heraklion, Greece	Cretan War of 1645-1669
3	Blockades of Amsterdam	5.5 years	12 August 1572 to 8 February 1578	Amsterdam, Netherlands
4	Siege of Ménerbes	5.2 years	4 October 1573 to 9 December 1578	Ménerbes, France
5	Sieges of Stralsund	4.3 years	7 September 1711 to 24 December 1715	Stralsund, Germany	Great Northern War
6	Great Siege of Gibraltar	3.6 years	24 June 1779 to 7 February 1783	Gibraltar	American Revolutionary War
7	Siege of Rheinberg	3.5 years	13 August 1586 to 3 February 1590	Rheinberg, Germany	Eighty Years' War
8	Siege of Plymouth	3.4 years	1 August 1642 to 1 January 1646	Plymouth, United Kingdom
9	Siege of Marienburg	2.9 years	28 September 1457 to 5 August 1460	Malbork Castle, Poland	Thirteen Years' War
10	Siege of Mombasa	2.8 years	13 March 1696 to 13 December 1698	Mombasa, Kenya	Omani–Portuguese conflicts
11	Siege of Bari	2.7 years	5 August 1068 to 15 April 1071	Bari, Italy	Byzantine–Norman Wars
12	Siege of Medina	2.6 years	10 June 1916 to 10 January 1919	Medina, Saudi Arabia	Arab Revolt
13	Siege of Cádiz	2.5 years	5 February 1810 to 24 August 1812	Cádiz, Spain	Peninsular War
14	Siege of Malta	2.4 years	11 June 1940 to 20 November 1942	Crown Colony of Malta, Malta	World War II
15	Blockade of Wonsan	2.4 years	16 February 1951 to 27 July 1953	Wonsan, North Korea	Korean War
16	Siege of Leningrad	2.4 years	8 September 1941 to 27 January 1944	Saint Petersburg, Soviet Union	World War II
17	Siege of Dakeyama Castle	2.3 years	30 January 1461 to 3 May 1463	Dakeyama Castle, Japan
18	Oranienbaum Bridgehead	2.2 years	2 November 1941 to 14 January 1944	Lomonosov, Soviet Union	Historic Centre of Saint Petersburg and Related Groups of Monuments
19	Siege of Tellicherry	2.1 years	30 December 1779 to 18 January 1782	Thalassery, India	Second Anglo-Mysore War
20	Siege of Malta	2.0 years	2 September 1798 to 4 September 1800	Valletta, Malta	French Revolutionary Wars
21	Siege of Acre	1.9 years	28 August 1189 to 12 July 1191	Acre, Israel	Third Crusade
22	Siege of Valencia	1.7 years	1 October 1092 to 17 June 1094	Balansiya, Spain	Almoravid conquest of al-Andalus
23	Siege of Smolensk	1.7 years	29 September 1609 to 13 June 1611	Smolensk, Russia	Polish–Muscovite War
24	Siege of Algeciras	1.6 years	3 August 1342 to 26 March 1344	Algeciras, Spain	Reconquista
25	Siege of Tourane	1.6 years	1 September 1858 to 22 March 1860	Da Nang, Vietnam	French conquest of Vietnam
26	Siege of Monzón	1.5 years	19 May 1642 to 4 December 1643	Monzón, Spain	Reapers' War
27	Siege of Mora	1.5 years	26 August 1914 to 18 February 1916	Mora, Cameroon	World War I
28	Siege of Bijapur	1.4 years	15 April 1685 to 12 September 1686	Bijapur Fort, India	Deccan wars
29	Siege of Zadar	1.4 years	12 August 1345 to 21 December 1346	Zadar, Croatia	Croatian-Venetian Wars
30	Siege of Fez	1.3 years	26 June 1672 to 28 October 1673	Fez, Morocco	Campaigns of Ismail Ibn Sharif
31	Siege of Salvador	1.3 years	2 March 1822 to 2 July 1823	Salvador, Brazil	Brazilian War of Independence
32	Siege of Middelburg	1.3 years	4 November 1572 to 18 February 1574	Middelburg, Netherlands	Eighty Years' War
33	Siege of Cartagena	1.2 years	14 July 1820 to 10 October 1821	Cartagena, Colombia	Colombian War of Independence
34	Siege of La Rochelle	1.1 years	10 September 1627 to 28 October 1628	La Rochelle, France	Huguenot rebellions
35	Second Siege of Callao	1.1 years	5 December 1824 to 23 January 1826	Callao, Peru	Spanish American wars of independence
36	Siege of Barcelona	1.1 years	25 July 1713 to 11 September 1714	Barcelona, Spain	War of the Spanish Succession in Catalonia
37	Siege of Montevideo	1.1 years	20 January 1823 to 8 March 1824	Montevideo, Uruguay	Brazilian War of Independence
38	Siege of the Acropolis	1.1 years	25 April 1821 to 9 June 1822	Acropolis of Athens, Greece	Greek War of Independence
39	Siege of Constantinople	396 days	15 July AD 717 to 15 August AD 718	Constantinople, Turkey	Arab–Byzantine wars
40	Siege of Takaya Castle	393 days	2 May 1574 to 30 May 1575	Takaya Castle, Japan	Ishiyama Hongan-ji War
41	Siege of Rome	375 days	2 March AD 537 to 12 March AD 538	Rome, Italy	Gothic War of 535–554
42	Siege of Delfzijl	375 days	13 November 1813 to 23 November 1814	Delfzijl, Netherlands	War of the Sixth Coalition
43	Siege of Copenhague	366 days	29 July 1535 to 29 July 1536	Copenhagen, Denmark
44	Third Siege of Missolonghi	360 days	15 April 1825 to 10 April 1826	Missolonghi, Greece	Greek War of Independence
45	Siege of Ceuta	354 days	25 September 1790 to 14 September 1791	Ceuta, Spain	Spanish–Moroccan conflicts
46	Siege of Jerez	354 days	6 December 1260 to 25 November 1261	Jerez de la Frontera, Spain
47	Siege of Zaragoza	354 days	7 July AD 753 to 26 June AD 754	Sarakusta, Spain	Yemeni revolt in the Wilayah of al-Andalus
48	Siege of Messina	354 days	10 October AD 842 to 29 September AD 843	Messina, Italy	Muslim conquest of Sicily
49	Siege of Casale Montferrato	352 days	29 March 1628 to 16 March 1629	Casale Monferrato, Italy	War of the Mantuan Succession
50	Siege of Cusco	347 days	6 May 1536 to 18 April 1537	Cusco, Peru	Spanish conquest of the Inca Empire
51	Siege of São Filipe	342 days	27 March 1641 to 4 March 1642	Fort of São João Baptista, Portugal	Portuguese Restoration War
52	Siege of Smolensk	341 days	28 October 1632 to 4 October 1633	Smolensk, Russia	Smolensk War
53	Siege of Baler	336 days	1 July 1898 to 2 June 1899	Baler Church, Philippines	Philippine Revolution
54	Siege of Trebizond in 1461	335 days	14 September 1460 to 15 August 1461	Trabzon, Turkey	Byzantine–Ottoman wars
55	Siege of Boston	333 days	19 April 1775 to 17 March 1776	Boston, Massachusetts, United States	American Revolutionary War
56	Siege of Calais	333 days	4 September 1346 to 3 August 1347	Calais, France	Hundred Years' War
57	Siege of Neuss	333 days	29 July 1474 to 27 June 1475	Neuss, Germany	Burgundian Wars
58	Siege of Abadan	325 days	6 November 1980 to 27 September 1981	Abadan, Iran	Iran–Iraq War
59	Siege of Ghent	325 days	28 October 1583 to 17 September 1584	Ghent, Belgium	Eighty Years' War
60	Siege of Graudenz	323 days	22 January 1807 to 11 December 1807	Grudziądz, Poland	War of the Fourth Coalition
61	Siege of Famagusta	322 days	17 September 1570 to 5 August 1571	Famagusta, Cyprus	Ottoman–Venetian War of 1570–1573
62	Siege of Paris	321 days	1 June 1435 to 17 April 1436	Paris, France	Hundred Years' War
63	Siege of Khartoum	319 days	13 March 1884 to 26 January 1885	Khartoum, Sudan	Mahdist War
64	Siege of Aintab	313 days	1 April 1920 to 8 February 1921	Gaziantep, Turkey	Franco-Turkish War
65	Siege of Perpignan	309 days	4 November 1641 to 9 September 1642	Perpignan, Spain	Reapers' War
66	Siege of Fort Zeelandia	308 days	30 March 1661 to 1 February 1662	Fort Zeelandia, Taiwan	Sino-Dutch conflicts
67	Siege of Toulouse	306 days	22 September 1217 to 25 July 1218	Tolosa, France	Albigensian Crusade
68	Siege of Maastricht	304 days	24 November 1407 to 23 September 1408	Maastricht, Netherlands
69	First Herat War	300 days	13 November 1837 to 9 September 1838	Herat, Afghanistan	Great Game
70	Siege of Pilsen	299 days	14 July 1433 to 9 May 1434	Plzeň, Czech Republic	Hussite Wars
71	Siege of Tartas	297 days	31 August 1441 to 24 June 1442	Tartas, France	Hundred Years' War
72	Siege of Nice	295 days	15 March 1705 to 4 January 1706	Nice, France	War of the Spanish Succession
73	Siege of the Acropolis	295 days	3 August 1826 to 25 May 1827	Acropolis of Athens, Greece	Greek War of Independence
74	Siege of Florence	290 days	24 October 1529 to 10 August 1530	Florence, Italy	War of the League of Cognac
75	Siege of Petersburg	289 days	9 June 1864 to 25 March 1865	Petersburg, Virginia, United States	American Civil War
76	Siege of Sancerre	289 days	9 November 1572 to 25 August 1573	Sancerre, France	French Wars of Religion
77	Sitio de Barcelona (1472)	289 days	1 January 1472 to 16 October 1472	Barcelona, Spain	Catalan Civil War
78	Siege of Dieppe	286 days	2 November 1442 to 15 August 1443	Dieppe, France	Hundred Years' War
79	Siege of Breda	281 days	28 August 1624 to 5 June 1625	Breda, Netherlands	Eighty Years' War
80	Siege of Multan	278 days	19 April 1848 to 22 January 1849	Multan, Pakistan	Second Anglo-Sikh war
81	Siege of Schenkenschans	275 days	30 July 1635 to 30 April 1636	Schenkenschanz, Germany	Eighty Years' War
82	Siege of Rennes	275 days	3 October 1356 to 5 July 1357	Rennes, France	War of the Breton Succession
83	Siege of Milan	274 days	30 May 1161 to 28 February 1162	Milan, Italy	Gregorian Reform
84	Siege of Humaitá	266 days	2 November 1867 to 25 July 1868	Humaitá, Paraguay	Paraguayan War
85	Siege of Newcastle	261 days	3 February 1644 to 21 October 1644	Newcastle upon Tyne, United Kingdom	First English Civil War
86	Conquest of Cuenca	258 days	6 January 1177 to 21 September 1177	Cuenca, Spain	Almohad wars in the Iberian Peninsula
87	Siege of Mangalore	255 days	20 May 1783 to 30 January 1784	Mangaluru, India
88	Siege of Yūki	253 days	26 August 1440 to 6 May 1441	Yuki Castle, Japan
89	Siege of Vamos	252 days	15 September 1895 to 24 May 1896	Lefka Ori, Greece
90	Siege of Antioch	251 days	20 October 1097 to 28 June 1098	Antioch, Turkey	First Crusade
91	Siege of Souda	251 days	14 January 1715 to 22 September 1715	Souda, Greece	Seventh Ottoman–Venetian War
92	Siege of Ganja	248 days	3 November 1734 to 9 July 1735	Ganja, Azerbaijan	Ottoman–Persian War of 1730–1735
93	Siege of Sevastopol	247 days	30 October 1941 to 4 July 1942	Sevastopol, Russia	history of Sevastopol
94	Siege of Magdeburg	247 days	15 September 1813 to 20 May 1814	Magdeburg, Germany	War of the Sixth Coalition
95	Siege of Santo Domingo	246 days	7 November 1808 to 11 July 1809	Santo Domingo, Dominican Republic	Spanish reconquest of Santo Domingo
96	Siege of Dubrovnik	243 days	1 October 1991 to 31 May 1992	Dubrovnik, Croatia	Croatian War of Independence
97	Siege of High Ercall Hall	243 days	1 July 1645 to 1 March 1646	High Ercall Hall, United Kingdom
98	Siege of Gyula (1529–1530)	242 days	17 July 1529 to 16 March 1530	Gyula, Hungary
99	Siege of Reval	238 days	21 August 1570 to 16 April 1571	Tallinn, Estonia	Livonian War
100	Siege of Dunkirk	235 days	15 September 1944 to 8 May 1945	Dunkirk, France	World War II

Sources and method

Start and end dates from Wikidata (P580, P582) where both carry day precision; 2,502 sieges have an end date of any precision. Durations are calendar spans between the recorded dates.