Analysis of information sources in references of the Wikipedia article "Invasion mongole de l'Europe" in French language version.
« anglais : Ogdai Khan continued this stupendous career of conquests. He swept his hosts, organized to a very high level of efficiency, armed with a Chinese invention, gunpowder, that they used in small field-guns, and commanded with a sense of strategy quite beyond the capacity of any European general through Russia to Poland. »
« anglais : In A.D. 1232 an army of 30,000 Mongol warriors invaded the Chinese city of Kai-fung-fu, where the Chinese fought back with fire arrows...Mongol leaders learned from their enemies and found ways to make fire arrows even more deadly as their invasion spread toward Europe. On Christmas Day 1241 Mongol troops used fire arrows to capture the city of Buda in Hungary, and in 1258 to capture the city of Baghdad in what's now Iraq. »
« anglais : But Asia too was marching against the West. At one moment it had seemed as if all Europe would succumb to a terrible menace looming up from the East. Heathen Mongol hordes from the heart of Asia, formidable horsemen armed with bows, had rapidly swept over Russia, Poland, Hungary, and in 1241 inflicted simultaneous crushing defeats upon the Germans near Breslau and upon European cavalry near Buda. Germany and Austria at least lay at their mercy. »
