A small Polish force ( between 200 and 500 men ) surprised Change_sentiment a weakly guarded Bearing_arms Swedish-Brandenburg cavalry camp at Lubrze in Greater Poland , near Śrem and Środa Wielkopolska , and 47 km south-east of the voivodeship capital of Poznań .

The Germans had attacked Attack a weakly defended Defending section of the Allied line , taking Conquering advantage of heavily overcast weather conditions that grounded Placing the Allies ' overwhelmingly superior air forces .

These forces were first opposed Agree_or_refuse_to_act weakly by Virginia militia , but General George Washington sent Sending first Marquis de Lafayette and then Anthony Wayne with Continental Army troops to oppose Agree_or_refuse_to_act the raiding and economic havoc the British were wreaking .

After that , another thousand Royalist cavalrymen , led Causation by Peter von Konopischt of Sternberg - killed Killing in the Battle Hostile_encounter of Vítkov Hill later that year - rushed Motion a weakly held Defending side of the Hussite formation , but were mired Placing in marshy ground .