Banderia Prutenorum
...that Banderia Prutenorum is a 15th-century manuscript by Jan Długosz, describing banners collected by Polish forces after their defeat of the Teutonic Order forces in the Battle of Grunwald in 1410 AD?
...that <b id="mwA98"><a href="./Banderia_Prutenorum" id="mwA-A" rel="mw:WikiLink" title="Banderia Prutenorum">Banderia Prutenorum</a></b> is a 15th-century <a href="./Manuscript" id="mwA-E" rel="mw:WikiLink" title="Manuscript">manuscript</a> by <a href="./Jan_Długosz" id="mwA-I" rel="mw:WikiLink" title="Jan Długosz">Jan Długosz</a>, describing banners collected by Polish forces after their defeat of the <a href="./Teutonic_Order" id="mwA-M" rel="mw:WikiLink" title="Teutonic Order">Teutonic Order</a> forces in the <a href="./Battle_of_Grunwald" id="mwA-Q" rel="mw:WikiLink" title="Battle of Grunwald">Battle of Grunwald</a> in 1410 AD?