Terpene October 14, 2016October 24, 2016 thcscience_admin Transport portalEngineering portalThis category is for canals which opened in the year 1681. 16531657166316701673168116821692170417051706 1630s1640s1650s1660s1670s1680s1690s1700s1710s1720s1730s Pages in category "Canals opened in 1681" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. C Canal du MidiF Frederiksholms Kanal