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Grand Place

In the 10th century, Charles, Duke of Lower Lorraine constructed a fort on Saint-Géry Island, the furthest inland point at which the Senne river was still navigable. This was the seed of what would become Brussels. By the end of the 11th century, an open-air marketplace was set up on a dried-up marsh near the fort that was surrounded by sandbanks. The market was called the Nedermerckt, or Lower Market.
The market likely developed around the same time as the commercial development of Brussels. A document from 1174 mentions a lower market (Latin: forum inferius) not far from the port on the Senne river...

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