 On 28 October 1444 the Pact of Ensisheim to the Battle of St. Jakob an der Birs was famously signed in Ensisheim by the Confederation, Zurich and the French Mercenaries.When on 7 November 1492, the 250-pound Ensisheim meteorite fell into a field close to the town, Sebastian Brant (1458–1521), author of "The Ship of Fools", took this opportunity to exert his influence on Maximilian of Austria by writing "Loose Leaves Concerning the Fall of the Meteorite", which led the king to lead in a war against France.The administrative and legal functions of the city conferred her to the prosperity which reached its peak between the end of the 16th and the beginning of the 17th centuries.