It was a violent anti-foreign, anti-colonial, and anti-Christian uprising that took place in China between 1899 and 1901, toward the end of the Qing dynasty. (jan 3, 1900 – sep 27, 1902)
Description:
https://en.wikipedia.org/wiki/Boxer_RebellionAdded to timeline:
Date:
jan 3, 1900
sep 27, 1902
~ 2 years and 8 months