Exchange Coffee House, Montreal

First known as the "City Tavern," kept by Robert Tesseyman, this 19th-century hotel in Montreal, Quebec, Canada, was a popular meeting place of the Beaver Club before later becoming the Exchange Coffee House. In 1805, Samuel Gerrard proposed building Nelson's Column, Montreal here. The hotel was a common place of rest for transient travellers and Upper Canada merchants. It became the location of the first stock transactions in Montreal.

Time Line
  • 1832 - The hotel becomes the location of the first stock transactions to take place in Montreal, and perhaps Canada.
  • 1874 - The Montreal Stock Exchange becomes Chartered after more than 40 years of informal trading, mostly in railroad and bank securities.
  • 1883 - The Exchange moves to the Commodities Exchange building on St. Sacrament Street. Trading hours are from 10:45 a.m. to 3:00 p.m.
  • 1904 - The Exchange moves into its own building, at 453 St. François-Xavier Street in Old Montreal. Today home to the Centaur Theatre, this building was designed by architect George B. Post who also designed the New York Stock Exchange building.
gollark: This is using a "state monad", which is basically just what Haskell does because they wanted mutable variables but different somehow.
gollark: Less ironically, it's basically a purely functional way to, well, sequence actions which operate on state, sort of thing.
gollark: It's a monoid in the category of endofunctors.
gollark: Yes, that's right, I KNOW APPROXIMATELY HOW A STATE MONAD WORKS.
gollark: ```haskelldoThing :: Expr -> (M.Map Int IVal, Int)doThing expr = evalState (go expr) 0 where go :: Expr -> State Int (M.Map Int IVal, Int) go (Int x) = do vcount <- update (+1) pure (M.singleton vcount (Lit x), vcount) go (Op o a b) = do (m1, c1) <- go a (m2, c2) <- go b let prev = M.union m1 m2 nxt <- update (+1) pure (M.insert nxt (ROp o c1 c2) prev, nxt)```↑ thusly, none are safe


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