The history of Łasin dates back to the Neolithic period (2500-1700 B.C.), where evidence of the first humans in the area is found. 1014 is the first year a town called "Łasin" was mentioned in historical sources.
Timeline
edit1014 - The first historical information about the existence of a settlement called Lasin
1298 - town rights under the Magdeburg Law
1306 - municipal rights Chelmno law
1455 - branches of the Teutonic Knights of Kwidzyn and Łasin invaded Grudziądz and burned its suburbs, and granaries.
1461 - Lasin returned to the Polish state
July 16, 1526 - Sigismund I the Old confirmed the privileges granted to the town in the days of the Teutonic Knights
1628 - the town was burned by the Swedes
1719 - the great fire in the town
1772 - due to the First Partition of Poland Łasin was attached to Prussia
1833 - loss of civic rights
1860 - recovery of civic rights
1886 - the railway line linking Łasin with Gardeja was built
1892 - demolished town walls
1900 - Town Hall was built
1920 - Łasin return to the Second Polish Republic
September 1, 1939, about 11 A.M. - the town was occupied by Wehrmacht
January 26, 1945 - the town was captured by the Red Army