sentences:  On 1 January 1973 as part of administrative reform of Lower Saxony the district of Duderstadt was dissolved, from which Lindau was placed in Landkreis Northeim (district).Lindau also lost the status of a municipality as together with six other villages the united municipality "Gemeinde Katlenburg-Lindau" was created.Lindau had become part of a predominantly Lutheran area and it is reported that the bell was tolled at the (catholic) village church.