List of tallest structures in Canada

Columns: Years | Name | Location | Pinnacle height | Floor count ( if applicable ) | Structure type
1936-1952 | INCO Copper Smelter , Stack | Sudbury , Ontario | 500 ft ( 152 m ) | n/a | Smokestack | 1937-1952 | INCO Port Colborne Nickel Smelter Chimney # 2 | Port Colborne , Ontario | 500 ft ( 152 m ) | n/a | Smokestack | 1952-1954 | CBC Jarvis St. Tower | Toronto , Ontario | 540 ft ( 160 m ) | n/a | Lattice tower | 1954-1967 | INCO Copper Cliff Nickel Refinery ( formerly Copper Cliff Iron Ore Recovery Plant ) , Stack | Sudbury , Ontario | 637 ft ( 194 m ) | n/a | Smokestack | 1967-1972 | Toronto-Dominion Centre | Toronto , Ontario | 731 ft ( 223 m ) | 56 | Skyscraper | 1972-1976 | Inco Superstack | Sudbury , Ontario | 1,247 ft ( 380 m ) | n/a | Smokestack | 1976-present | CN Tower | Toronto , Ontario | 1,815 ft ( 553 m ) | n/a | Tower

Example questions:
What year did Canada 's most populous province begin construction of a cathedral on the list of the tallest structures in Canada ? | In a town renamed and incorporated in 1834 , the Canadian Pacific Railway company built a hotel on the list of tallest structures in Canada , designed by who ? | What style is the city hall , on the list of tallest structures , in the Canadian nation 's most populous city ? | Located in the second-most populous province of Canada , who designed the neo-classical tower completed in 1928 that was on the list of tallest structures in Canada ?

Answers:
1850 | Ross and Macdonald | Romanesque-style | York and Sawyer