a series of military engagements fought between the United Kingdom and the Qing dynasty over conflicting viewpoints on diplomatic relations, trade, and the administration of justice in China. (dec 25, 1836 – mar 5, 1845)
Description:
https://en.wikipedia.org/wiki/First_Opium_WarAdded to timeline:
Date:
dec 25, 1836
mar 5, 1845
~ 8 years and 2 months