The fortress at Montjuïc, the most southerly point from which measurements had been made when calculating the meridional definition from the metre Within the 18th century, a fortress was created at Montjuïc that overlooked the harbour. In 1794, this fortress was utilized by the French astronomer Pierre François André Méchain https://cruzwsfsd.blogginaway.com/28648354/a-review-of-barcelona