According to Encyclopædia Iranica, the British East India Company had a presence in Bushehr since 1763 due to its commercial importance.

Later, due to the interference of the Iranian ruler Karim Khan Zand, the Company concentrated on the port of Basra, but following the capture of Basra by Karim Khan Zand, in 1778 the British re-established their commercial base in the Persian Gulf in Bushehr and continued to increase their influence in the Gulf for about a century.

At that time, Mohammad Karim Khan Kermani incited the people to resist the British occupation by writing a book titled "Naseriyeh".

The rivalry between Britain and Germany finally reached its climax with the arrest of two German consular officials in Bushehr by the British forces.

On the other hand, because the Iranian government cannot establish "order and security in the city of Bushehr and its surroundings", Britain was forced to take this action.

A necessity due to aboriginal tribes recent unfortunate attack on Bushehr in which two British officers were killed and three soldiers were injured.

[3] The British fortified the entry bottlenecks to Bushehr by installing trenches, guard posts, artillery, and barbed wire.