Following a local government reform in the 1970s the rural villages of Sechshelden, Langenaubach, Flammersbach, Allendorf, Kalteiche, Haigerseelbach, Steinbach, Rodenbach, Fellerdilln, Dillbrecht, Offdilln, Weidelbach, Oberroßbach and Niederroßbach became part of the district of Haiger.

[citation needed] (in each case on 31 December) Haiger is the earliest documented town on the river Dill.

Between 1608 and 1619 he was town clerk in Haiger and subsequently wrote the Nassauische Chronik, a comprehensive description of the area.

[1] This partnership came into being through an initiative by the Johann-Textor-Schule in Haiger which has been conducting school exchanges with the Collège Eugène Noël in Montville for about 20 years.

This friendship became official in Montville in 1991 and in Haiger in 1992 with the sealing of a document to this effect, signed by both towns' mayors.

As part of Haiger's 1200th anniversary celebrations of first documentary mention, this museum was established in 1978 in one of the loveliest half-timbered houses, built in 1724-1725, on the marketplace.

More than 400 years later came further remodelling in the Late Gothic style: the flat wooden ceiling was replaced with a stone vault, and side naves and the choir were added.

This proved to be a blessing since increasing layers of whitewash helped to preserve the fresco paintings well until their re-discovery.

World War II hit Haiger hard and bombings caused immense destruction.

As a rule, these are round and made of rye meal, salt, pepper and water, thus being similar to Matzah, although other kinds of dough may be used.