"Time to chop off some Congolese hands for not meeting their rubber quota!"
19th Century History
20th Century History
(media.piefed.social)
Explanation: The major colonial holding of Belgium was in the Congo, where their behavior was... abhorrent, even by the already extremely low standards of 19th century European colonists. Mutilation and abuses of a scale and type that are... not pleasant even just to recount. And with little justification for their atrocities.