[DOC] [TLE] CN Tower - Wikipedia [PAR] The CN Tower (French: Tour CN) is a 553.33 m-high (1,815.4 ft) concrete 
communications and observation tower in downtown Toronto, Ontario, Canada. 
Built on the former Railway Lands, it was completed in 1976, becoming the 
world's tallest free-standing structure .... When the CN Tower opened in 1976, 
there were three public observation... [DOC] [TLE] Astounding - CN Tower [PAR] With its microwave receptors at 338 m (1,109 ft.) ... The CN Tower was built in 
1976 by Canadian National who wanted to demonstrate the ... shaft was the 
tallest structure in Toronto and by February 1974, it was the tallest in Canada. ... 
The CN Tower was finished on April 2, 1975, and opened to the public June 26, 
1976. [DOC] [TLE] Celebrating the History of Canada's Architectural ... - CN Tower [PAR] After 40 months of construction, the CN Tower was opened to the public on June 
26, 1976 and it was well on its way to becoming the country's most celebrated 
landmark. ... The CN Tower was built in 1976 by Canadian National who wanted 
to ... Eight months later, the CN Tower's concrete shaft was the tallest structure in
... [DOC] [TLE] CN Tower - The Canadian Encyclopedia [PAR] The CN Tower, Toronto, was the world's tallest free-standing structure until 2007, 
when the Burj ... It was opened to the public on 26 June 1976. ... In 2011, in 
celebration of its 35th anniversary, the CN Tower opened the EdgeWalk, a ledge 
1.5... [DOC] [TLE] Seven Wonders of the Modern World: The CN Tower [PAR] The CN Tower when it was finished in 1976 was the tallest freestanding structure 
in the world. ... In the 1960's the city of Toronto, Canada, was in a building boom. 
... It was a simple, open, steel tower without any habitable space and needed the 
... Originally its 36 pieces were to be put into place by a crane, but when a... [DOC] [TLE] Facts and visitor information on the CN Tower in Canada  The ... [PAR] Canada's National Tower celebrates a remarkable legacy as iconic landmark, 
one of the world's top tourist ... Open seasonally from April-November, EdgeWalk 
at the CN Tower is the most exciting extreme attraction in the Tower's history and 
the world's highest outdoor walk on a building. ... Inauguration date, 26.06.1976. [DOC] [TLE] CN Tower Overview - IEEE Canada [PAR] Since it opened 21 years ago, the CN. Tower has been a ... world's tallest 
building to celebrate its ... However, its origins are .... become the tallest building 
in Canada. .... Canadian National Railway.  Opened to the public on June 26,. 
1976. [DOC] [TLE] Tallest Towers And Buildings In Toronto - WorldAtlas.com [PAR] Oct 7, 2016 ... The tallest man-made structure in Toronto and in all of Canada is the 1,815 ... in 
2014, although the bottom 31 floors were opened and occupied in 2013. ... At the 
time of its completion in 1976, it was the tallest freestanding... [DOC] [TLE] 1976: CN Tower opens to the public - CBC Archives [PAR] It becomes the world's tallest free-standing structure, dwarfing its ... News, 
reporter Joe Cote attends the midnight party of the tower's June 26, 1976 
opening. [DOC] [TLE] CN Tower - Triposo [PAR] Its name "CN" originally referred to Canadian National, the railway company that 
built ... the tallest structure in Canada, surpassing the recently built Inco 
Superstack, ... When the CN Tower opened in 1976, there were three public 
observation... [DOC] [TLE] Toronto - CN Tower and its views, Ripley's Aquarium, Views of ... [PAR] CN Tower, built in 1973-1976, was the world's tallest freestanding structure in the 
... It originated as an idea in 1968, when the Canadian National Railway (CN) ... 
is famous for its roof that can be opened and closed according to the weather. [DOC] [TLE] Where is the CN Tower on Canada's list of achievements?

Question: Opened in 1976, it's the tallest structure in Canada
Answer: CN Tower