score:5
Yes.
Wikipedia maintains a list of "Wars and Anthropogenic Disasters by Death Toll." Here are the 19th century entries, with lower and upper estimates for death toll.
The lowest estimate for the Taiping Rebellion is far higher than the upper estimate for any other 19th century conflict. Of course, it is not surprising that the largest anthropogenic disaster of the 19th century occurred in Asia when one considers that Asia was much more populous than the rest of the world combined:
(source)