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1850s: Railway yards are built next to the Victoria Bridge. For decades, liquid toxic waste from the operations was dumped directly into the swamp where the Bonaventure Expressway now lies. The site served as a yard for several railway companies including CN, up to 2006.

1860s: The city started using the swamp next to the Victoria Bridge as a municipal dump.

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1940s: A tank and munitions plant was built to supply the army during the Second World War.

1960s: The land around the Victoria Bridge — including the sites where chemicals and garbage were dumped over the century — is filled in and paved over to create an immense parking lot for Expo 67. The Bonaventure Expressway leading to the Champlain Bridge is built around this time, as was the old Autostade, the stadium for the Montreal Alouettes.

1970s: The parking lot is converted into a short-distance airport.

1989: Some of the land is sold to the city of Montreal and becomes the Technoparc, an industrial sector.