War Overview · First Opium War (1839–42)

After the Industrial Revolution, the leading naval power sent an expeditionary force up the Chinese coast from south to north for two years; the Celestial Empire, said to have an 800,000-strong standing army, did not win a single battle. Modern Chinese history begins here.

Engagement Data

Belligerents (War Level)

Historical Setting

World: The Industrial Revolution had entered the age of steam. Britain needed markets and raw materials, and the doctrine of free trade overrode almost everything. In 1834, the East India Company's monopoly on trade with China was abolished, and private merchants and opium capital poured into the gaps of the Canton system.

China: Under the Daoguang reign, silver was flowing outward, silver became dear and copper cash cheap, and the anti-opium campaign was triggered by a fiscal crisis. The military system had been at peace for nearly 200 years; the Green Standard was scattered through patrol posts like police, with no field army corps. Firearms remained at the level of the late Ming and early Qing, and knowledge of the outside world was close to zero. After the war began, Daoguang was still asking whether "there is an overland route from England to the Muslim borderlands" (source unverified).

Britain: The trade deficit with China was balanced through Indian opium, and opium taxes accounted for about one tenth of the Indian government's revenue (proportion unverified). The destruction of opium at Humen triggered lobbying by the merchant community. In the parliamentary debate of 1840.4, an opposition motion of condemnation was defeated 271:262 - a margin of nine votes - and Gladstone left behind the protest, "a war more unjust in its origin I never knew" (translation unverified). In Britain itself, the opposition at the time already called the war the "Opium War."

Why It Was Fought

The decision chain behind this war was not long at either end, but every link in it fastened onto a misjudgment.

Beijing's first link was the opium ban. The court had debated opium for years, with proposals for legalization and strict prohibition both placed before the throne. Daoguang chose strict prohibition - not as a choice for war, but as a choice against silver outflow and soldiers' opium use. Lin Zexu went to Guangdong as imperial commissioner; confiscation, bonds of compliance, and expulsions tightened step by step. The intelligence in his hands reflected common claims that "the barbarians' waists and legs are stiff, and they cannot fight after landing" and that "without tea and rhubarb, the barbarians cannot survive away from here." On that basis he judged that the British would neither dare nor be able to come from afar to make war (scholarly estimates differ on how much Lin Zexu's translated reports grasped conditions in Britain; unverified). What was missing was precisely the key point: he did not know London would turn confiscated opium into a bill between states.

London's first link was indeed triggered by that bill. When Charles Elliot accepted the opium in the Queen's name, the private merchants' losses became a government debt. Palmerston used the moment to set the war machine in motion; the substance of the instructions was to take an island, open ports, and make a treaty (full texts of the successive instructions on China unverified). The expeditionary force fought a limited war: it did not occupy the interior or the capital; it blockaded sea entrances, took islands as hostages, struck in sequence, and forced the Celestial Empire to return to the table on its own. Its misjudgment of this opponent was just as large: it thought a single letter delivered at the Baihe could produce negotiations.

The second link was Dinghai and the Baihe. The British occupied Zhoushan and delivered a letter off the mouth of the Tianjin approaches. Daoguang's judgment was that the border trouble had arisen from Lin Zexu's mishandling: punish Lin, pacify the barbarians, and the matter would be over. Qishan went south and negotiated for three months without agreement. Shajiao and Dajiao fell in a single day, the court's line shifted from pacification to suppression, and it declared war, dispatched generals, and transferred troops, each decision firmer than the last, while its intelligence still came from front-line memorials embellished layer by layer. After the defeat at Canton, Yishan reported the six million ransom for the city as "merchant arrears" and a defeat as a victory; on that basis the emperor ordered coastal troop reductions. This was the most expensive edict of the whole war: it directly cleared the coastal defenses for Pottinger's northward advance (arrival of the troop-reduction edict in each province and its implementation unverified).

The third link was in London. Elliot's demands were too low, so he was replaced. Pottinger came east under more aggressive instructions and fought from Xiamen all the way to Ningbo. Beijing's response was Yijing's Eastern Zhejiang counteroffensive. After that counteroffensive ended in disaster, Liu Yunke, governor of Zhejiang, submitted a memorial known as the "Ten Matters for Concern," laying out that there was no battle left to fight and that pacification was the best course (full text of the memorial and exact date of submission unverified). This was the first time within the system that "the war cannot go on" was written into an official document. After this, Qiying and Ilibu came onto the stage, and the dispute between suppression and pacification quietly tilted through the exchange of court dispatches.

The limits on both sides were not troop numbers. On the Qing side, the standing army was spread through garrison posts like patrol police, interprovincial troop transfers were counted in months, war expenses were apportioned to the provinces, and there was not a single coin of new money. On the British side, the expeditionary force numbered only several thousand to a little over 10,000, deaths from disease were many times battle deaths, and supply depended entirely on a sea line of ten thousand li. Britain could not afford to win a protracted war; the Qing court could not fight a modern war. Whichever side miscalculated the other's limits first would be the first to sit down at the table. In August 1842, with the British cutting off the grain transport route and arriving before Nanjing, it was the Qing court that sat down first.

Course of the Engagement (Four Phases)

Under Nanjing and the Treaty (1842.8)

In early August, the British fleet anchored off Xiaguan and threatened to attack the city. Qiying and Ilibu negotiated with Pottinger, and on 8.29 the Treaty of Nanjing was signed aboard HMS Cornwallis: Hong Kong Island was ceded; the five ports of Canton, Fuzhou, Xiamen, Ningbo, and Shanghai were opened; compensation for the opium, merchant arrears, and military expenses totaled 21 million silver dollars (equivalent to more than 14 million taels of silver, conversion unverified), payable over four years; the Cohong monopoly was abolished; and tariffs were to be "fairly agreed." In 1843, the General Regulations for Trade at the Five Ports and the Treaty of the Bogue added consular jurisdiction and unilateral most-favored-nation treatment; in 1844, the American Treaty of Wanghia and the French Treaty of Whampoa followed. The treaty was not a single document, but the beginning of a system.

Casualties and Losses

• Qing forces: across the campaigns, combat deaths from provincial commanders and brigade generals down to common soldiers totaled several thousand (campaign archives use different statistical bases, total unverified); the naval forces and coastal fortress system as a whole collapsed.
• British forces: cumulative battle deaths were probably under 100 (accounts differ), while deaths from disease were several times battle deaths - in the first occupation of Dinghai alone, 448 died of illness within half a year.
• Civilians: looting in coastal cities, routed soldiers harming the population, epidemic disease and displacement; no statistics.
• Finance: Qing war expenses ran to tens of millions of taels (bases vary widely, accounts differ) + indemnities; postwar apportionment entered local society, laying groundwork for popular unrest.

Aftermath

• Beginning of the treaty system: trade at the five ports, cession of Hong Kong, extraterritoriality - the institutional frame of the next 100 years took shape here.
• Yet court and country did not "wake in pain": after the war there was no military reform, Wei Yuan's Illustrated Treatise on the Maritime Kingdoms went almost unnoticed in China, while reprinted editions spread widely in Bakumatsu Japan (edition history unverified). The same book became a contrast between two countries' fates.
• The center of trade moved north from Canton to Shanghai, unemployment spread in the Pearl River Delta, and social disorder deepened - one distant cause of the Taiping Heavenly Kingdom. This causal chain is the first clasp by which Whence We Came strings wars into a road.

How Each Side Records It

• Chinese side: the starting point of modern history and of the national-humiliation narrative, the prototype scene for "backwardness invites beating"; the first lesson in the textbook system.
• British side: long called the "War with China" or the "Trade War," marginal in textbooks - a war the other side remembered for 180 years while one's own side turned away and forgot. The name itself is a position.

Disputes and Sensitivities

• Lin Zexu: the established judgment of national hero coexists with historiographical revision (Mao Haijian: Lin, too, had no plan with a chance of victory and remained inside the old suppression/pacification framework). Both layers of evaluation coexist.
• Qishan: textbook narrative of "traitor" vs. historiographical revision as "realism under conditions with no chance of victory."
• Charles Elliot and Pottinger: policy differences between the two plenipotentiaries; Elliot himself loathed the opium trade yet carried out the war, an inner contradiction.
• Counterfactuals of the "what if there had been no Opium War" type cannot be falsified.

Contents

The approach to Nanjing is included under Battle of Zhenjiang.

九龙、穿鼻之战（含官涌之战）1839.09战争爆发前九个月的三串小规模交火——伤亡不过数十，但战报与实情的背离、以及"战争从哪天算起"的分歧，都从这里开始。第一次定海之战1840.07清军阵亡十三人，县城一日即陷——随后半年，占领军病死四百四十八人。火炮九分钟决定的战斗，疫病用半年改写了胜负的讽刺注脚。虎门之战（含大角、沙角之战）1841.01珠江咽喉的三重门户在两次总攻里被整体拆解，广东水师提督战死在自己的炮位上——林则徐、关天培苦心经营两年的海防，验证了一个残酷结论：体系思路是对的，每个零件都是错的。广州之战（1841，含乌涌之战）1841.02一场为做给皇帝看而发动的夜袭，换来炮口俯瞰全城的六天和六百万银元赎城费——然后主帅把败仗写成了大捷，皇帝信了，据此裁撤了沿海防务。三元里抗英1841.05官军赎城三天后，一百多个村庄的乡民用锄耙长矛把一支英军小队围在暴雨里的水田——伤亡数字两边差几十倍，纪念的体量差一千倍，但两边的记载都是真诚的。厦门之战1841.08耗银百余万两的花岗岩"石壁"正面真的扛住了舰炮——然后英军从侧后登陆，几小时内一切照旧。璞鼎查北上的第一役，把"正面无敌、侧后即溃"的模式又演了一遍。第二次定海之战1841.09同一座城，十四个月后再打一次：上次十三人阵亡、一日而陷；这次三位总兵六日死战、同日殉国。定海用两次陷落量出了"有准备的绝境"与"没准备的崩溃"之间的距离——结局相同。镇海之战（1841）1841.10钦差大臣投水殉国，提督不战而走——同一座城、同一天，给出了这场战争里官员操守的两个极端；两年后，逃的那位成为全战争唯一被处死的高级将领，而谎报军情的皇亲们安然无恙。浙东反攻1842.03清军在整场战争里唯一一次战略反攻：出兵日期由求签择定"四寅佳期"，攻城计划泄于宴席清谈——从大金川调来的藏族土兵冲进宁波西门，死在预设好的十字街炮口下。乍浦之战1842.05八旗驻防城第一次在本土被攻破。近三百旗兵据一座庙打到最后，城破之日，旗营眷属成批自尽——世袭军事集团用一种惨烈的方式证明：它还有人，只是没有了办法。吴淞之战1842.06六十七岁的江南提督站在西炮台打完了两个半小时的对轰——全战争最像样的一次舰岸炮战；然后总督的仪仗队从背后先垮了。上海的门，是从里面开的。镇江之战1842.07全战争英军集结兵力最多、伤亡最重的一仗：一千六百旗兵加四百青州兵在运河与长江的十字路口打了一天巷战。守将殉了城，也在战前滥杀过城里的平民。

Sources and Open Questions

Main sources: Mao Haijian, The Collapse of the Celestial Empire: A Reexamination of the Opium War (the first reference for the whole war); Chouban Yiwu Shimo, Daoguang Reign; Liang Tingnan, Yifen Wenji; Wei Yuan, Daoguang Yangsou Zhengfu Ji; Bingham, Narrative of the Expedition to China; Bernard, Narrative of the Voyages and Services of the Nemesis; Ouchterlony, The Chinese War; Lin Zexu's translated reports in the Macao News. Because the period predates the main body of modern newspapers, the documentary platforms are mainly official books and Western soldiers' accounts.

Open questions: details of the parliamentary vote and Gladstone's original wording; total Qing casualties and war expenses; total British combat deaths; conversion of the indemnity into taels of silver; Japanese reprint editions of Illustrated Treatise on the Maritime Kingdoms; source for Daoguang's question about an "overland route"; proportion of Indian revenue supplied by the opium tax; how much Lin Zexu's translated reports grasped British conditions; full texts of the successive instructions on China; arrival of the troop-reduction edict in each province and its implementation; full text of Liu Yunke's "Ten Matters for Concern" memorial and exact date of submission.