This plaque was erected in 1963 to commemorate the first Mennonite Sunday School in North America, which was established in 1840. The speaker is J. C. Wenger. The plaque reads: "First Mennonite Sunday School. The first Mennonite Sunday School to be established in America was in Waterloo County, in 1840, in the Wanner and Bechtel, now Preston, meetinghouses. In October, 1941, der Deutsche Kanadier reported, 'The Sunday School started last year and begun anew this year which has been held interchangeably in the Wanner and Bechtel meetinghouses --- is enjoying good progress. The number of children is increasing and amounted to seventy-five last Sunday.' Erected in 1963 by Wanner Mennonite Church and Waterloo County Historical Society."