"A contingent of Polish defectors were given amnesty and granted Haitian citizenship for their renouncement of French allegiance and support of Haitian independence."
Update: I generally agree with your revised point, but for the sake of history I believe it's important not to needlessly exaggerate historical events. Let the events themselves stand on their own. My country has an ongoing problem with propagating accurate history, so I am aware of the need to get things correct.