The area around Eischen has been populated at least since Gallo-Roman times. In the first centuries AD, the
Romans established a fortified settlement a few kilometres west of Eischen, across the border to
Belgium in the area which is now known as
Clairefontaine.
Excavations in and around Eischen have brought to light
Gallo-Roman graves from the 2nd century AD. During the early
Middle Ages, the Roman settlement evolved into the fortified Karlsbierg. This
fortress politically and economically dominated the area around Eischen. In 1216, the countess
Ermesinde founded the
Abbey of Clairefontaine, which soon invigorated the religious and economical life in the area. The countess released the inhabitants of Eischen from
serfdom. The town is first mentioned in 1247, in Ermesinde's
testament. During the following centuries, property rights concerning the extended forests between Eischen and Clairefontaine were a source of constant quarrel between the town inhabitants and the monastery. In 1839, the French-speaking part of Luxembourg came under Belgian rule. This turned Eischen into a border town, separating it from Clairefontaine and the town of Arlon, which now belonged to the new state of
Belgium. In 1880, the town's railway station was inaugurated. The railway line running through Eischen connected
Petingen in the south to
Ettelbruck in the north of the country. It was abandoned in 1969. The area of the former railway station in still known as
Op der Gare (or, in English,
At the station). ==The church==