1644 – Born in Erlenbach im Simmental, Canton of Berne, Switzerland. Swiss Mennonite leader of the late 17th century who founded the Mennonite sect known as the Amish.
1693 – Broke away from the main body of Mennonites, feeling that they had strayed from the strict austerity of their forebears.
– He founded the Amish branch of the Mennonites through a schism which he occasioned in the Emmental, canton of Bern.
1704 – Together with an associate, signed a list of 40 familiar Mennonite names, apparently all the heads of families resident in that location, and a similar list of some 60 names, both lists being required by the authorities.
1710 – Ammann’s followers began emigrating to Pennsylvania from Switzerland and Germany.
1736 – The first Amish settled along the Northkill Creek in Berks County.