Quick Answer
The shortest war in history occurred between Great Britain and the Sultanate of Zanzibar on 27 August 1896, lasting only 38 to 45 minutes. This swift conflict, known as the Anglo-Zanzibar War, was ignited by a succession dispute after the death of Sultan Hamad bin Thuwaini. Zanzibar's new ruler, Khalid bin Barghash, ascended without British approval, prompting a decisive British response demonstrating colonial power dynamics of the era.
In a hurry? TL;DR
- 1The Anglo-Zanzibar War in 1896 lasted 38-45 minutes, the shortest war in history.
- 2It was triggered by a succession dispute after Sultan Hamad bin Thuwaini's death.
- 3Khalid bin Barghash seized power without British approval, violating a treaty.
- 4Britain issued an ultimatum, then bombarded the palace with warships.
- 5Khalid's forces were quickly defeated, illustrating British colonial dominance.
Why It Matters
The Anglo-Zanzibar War is fascinating as it highlights the extreme disparities in military and political power during the colonial era, all within less than an hour.
The Anglo-Zanzibar War: A Blink-and-You-Miss-It Conflict
The shortest war in history lasted a mere 38 to 45 minutes, fought between Great Britain and the Sultanate of Zanzibar on 27 August 1896. This brief but decisive conflict was triggered by a succession dispute in Zanzibar.
This incredibly short duration makes it a unique event in military history, often cited as a fascinating example of geopolitical power dynamics.
Why It Matters
The Anglo-Zanzibar War starkly illustrates the realities of colonial power in the late 19th century.
The Spark of Conflict
The events leading to the lightning-fast war began with the death of Sultan Hamad bin Thuwaini on 25 August 1896. Although suspicions of poisoning circulated, these were never conclusively proven.

His death created a power vacuum, which was swiftly filled by his nephew, Khalid bin Barghash.
Britain's Imperial Interests
Britain held significant influence over Zanzibar, a protectorate established through treaties and diplomatic manoeuvres. They had a preferred candidate for the sultanate, Hamoud bin Mohammed, who was seen as more amenable to British interests.
Khalid bin Barghash, however, seized control without British approval, in direct violation of a 1886 treaty stating that a new sultan could only ascend the throne with British permission. This defiance set the stage for confrontation.
The Ultimatum and Escalation
Upon hearing of Khalid's usurpation, the acting British diplomatic agent and consul general in Zanzibar, Basil Cave, issued an ultimatum. Khalid was instructed to order his forces to stand down and evacuate the palace by 9:00 AM on 27 August.
The British deployed five warships, including three cruisers and two gunboats, under the command of Rear-Admiral Harry Rawson, in Zanzibar harbour. These ships were HMS Philomel, HMS Racoon, and HMS St George, alongside the gunboats HMS Thrush and HMS Sparrow.

The Battle Begins
At precisely 9:00 AM on 27 August, with no response from Khalid, the British warships opened fire on the sultan's palace. Khalid's forces, numbering around 2,800 men, were heavily outmatched. They possessed a few artillery pieces, including a bronze 17th-century cannon and some Maxim guns, but these were largely ineffective against the modern British naval bombardment.
The bombardment lasted between 38 and 45 minutes, making it the shortest war ever recorded.
Damage and Casualties
The sultan's palace was severely damaged, and one of Khalid's armed yachts, the HHSS Glasgow, was sunk. The Zanzibar forces sustained significant casualties, estimated to be around 500 killed or wounded.
In contrast, the British suffered only one reported injury: a petty officer on HMS Thistle sustained a minor cut from a splinter. This stark difference in casualties highlights the overwhelming technological superiority of the British forces.
The White Flag
Shortly after 9:38 AM, the bombardment ceased as the palace’s flag pole was shot down and a white flag was observed being raised by the remaining Zanzibari defenders. Sultan Khalid fled to the German consulate, where he was granted asylum. He was later smuggled out of the country.
Within hours, Hamoud bin Mohammed was installed as the new Sultan, solidifying British control over the protectorate.
Lasting Impact and Historical Context
The Anglo-Zanzibar War stands as a stark reminder of the era of gunboat diplomacy and European colonial dominance. It demonstrated the willingness of imperial powers to use overwhelming force to protect their interests and enforce their will.
The speed and one-sided nature of the conflict also make it a fascinating case study in military history. Unlike the intricate strategies often associated with longer conflicts, this war was a swift act of decisive power projection.
Related Historical Episodes
This episode can be compared to other instances of colonial intervention, where European powers asserted their authority. It's a testament to the fact that even seemingly minor geopolitical disputes could escalate rapidly when imperial interests were at stake.
The war's brevity also distinguishes it from other conflicts where armies engaged in saccade movements across vast battlefields or where forces tried to ensconce themselves in defensive positions for extended periods. This was a direct, swift assault.
Key Takeaways
- The Anglo-Zanzibar War lasted approximately 38-45 minutes.
- It was fought on 27 August 1896 between Britain and Zanzibar.
- The conflict arose from a succession dispute where Britain refused to recognise Khalid bin Barghash as Sultan.
- British naval power quickly overwhelmed Zanzibari resistance.
- The war is an extreme example of 19th-century colonial power dynamics.
Further Reading
For those interested in the broader context of British imperial history, resources such as the National Archives provide extensive information. The details of the Anglo-Zanzibar War itself are well-documented in historical texts and on platforms like Wikipedia.
This singular event serves as a sharp reminder that sometimes, as Marcus Aurelius noted, "You always own the option of having no opinion," but in the context of empire, such options were often not extended to smaller nations. It also serves as a historical counterpoint to much longer and more complex conflicts, such as the period when Last Chess Championship Checkmate Was 1929, illustrating the vastly different timelines of human conflict and intellectual pursuits.





















