Battle of Canton
1841 CE.
Shown on the map at 23.110°, 113.244°.
The First Battle of Canton (Chinese: 第一次廣州之戰) was fought between British and Chinese forces in Canton, Guangdong Province, China, on 18 March 1841 during the First Opium War. The capture led to the hoisting of the Union Jack on the British factory in Canton and the resumption of trade between the British and the Chinese.
Text from the Wikipedia article Battle of Canton (March 1841), licensed CC BY-SA 4.0.