1763 -- The Treaty of Paris ends the Seven Years War between France and Great Britain.. France cedes Quebec, Isle St. Jean and Isle Royale (Cape Breton) to Britain. For book keeping purposes, the latter two are annexed to Nova Scotia.763 -- The Treaty of Paris ends the Seven Years War between France and Great Britain.. France cedes Quebec, Isle St. Jean and Isle Royale (Cape Breton) to Britain. For book keeping purposes, the latter two are annexed to Nova Scotia.
1 Adding a basement to an existing house can cost $30,000-$70,000 or more, depending on the size of the existing crawlspace or half-basement or if the house is on a slab foundation, and how much of the work is do-it-yourself and how much is done by contractors.
1 Typically, the cost of basement excavation will vary depending on the location and basement size. 2  The average cost of basement excavation on an existing home is around $10 to $20 per square foot for excavating or extending a basement in a new home. 3  This does not include costs for removal of materials.