Around 1246, King Béla IV resettled Cumans whom he called back from Bulgaria, in this area[clarification needed] destroyed during the Mongol invasion.
Later, in 1596 during Turkish times, the Tartar hordes devastated the land, during the 15-year war, and the wasteland was leased by the inhabitants of Kecskemét, Nagykőrös and Jászberény for grazing.
In 1702 the monarch sold the area to the Teutonic Knights, but the dwellers took joint action and redeemed the lands which had previously been obtained by the Invalides[clarification needed] from Pest.
The blue in the coat of arms is the colour of transcendence, and signifies that the mediaeval settlement of Mizse already had a stone church, where Franciscan friars were also engaged in converting the reluctant Cumans to Christianity.
The green in the coat of arms recalls the former grovy[clarification needed] pastures, on which in the period of the Magyar conquest, and in the Cuman and Turkish times, the breeding of sheep and cattle was dominant; there were also horse herds.
), but in the past fifty years various kinds of metallurgical, timber, light, domestic, printing, chemical and meat industry have also appeared.
It may again be related to one-time valour and tradition that the town's Catholic church was offered to be patronised by Saint Louis IX of France, the holy knight king, commander of the 7th and 8th crusader armies.
In the summer of 1941, Jewish forced laborers were sent from Laiuszmija to the Ukrainian front, where the Hungarians fought alongside the Germans, some of whom were captured by the Russians.
At the end of April 1944, after the entry of the German army into Hungary, Jews were concentrated in Lajosmizse ghetto which was surrounded by several houses.
At the end of June, they were transferred with the Jews of the nearby settlements to the ghetto established in a factory in Monor, and a short time later they were sent to the Auschwitz extermination camp.