The oldest evidence of a settlement in the area is a reasonable well preserved section of a Roman road. Around 640 what became the Moutier-Grandval Abbey was established outside the village of Grandval. The town of Moutier then developed around the Abbey complex. Grandval is first mentioned around 900 as Grandemvallem. The village chapel of St. Martin was first mentioned in 962. By the 14th century it had become the parish church for Grandval parish, which included most of the communities in the Grand Val/Moutier valley. In 1531 the village, its church and the parish converted to the new faith of the Protestant Reformation. Beginning in 1663 the church was almost constantly under construction for several centuries. Major reconstruction projects happened in 1701-06 and 1927. More information...
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