[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 and world's tallest tower at the time. ... Its 
name "CN" originally referred to Canadian National, the railway company... [DOC] [TLE] List of tallest buildings and structures - Wikipedia [PAR] The world's tallest artificial structure is the 829.8 m (2,722 ft) tall Burj Khalifa in 
Dubai, United Arab Emirates. The building gained the official title of "Tallest 
Building in the World" and the tallest self supported structure at its opening on 
January 9, 2010. The second tallest self-supporting structure and the tallest tower 
is the Tokyo ... Structures that do not meet this criterion, such as the CN Tower, 
are defined... [DOC] [TLE] CN Tower - The World Federation of Great Towers [PAR] CN Tower. Toronto, Canada. Website. Defining the Toronto skyline at 553.33m (
1,815ft. ... by federal crown corporation Canada Lands Company, the CN Tower 
is visited by ... world famous (and world's first) Glass Floor with a view 1,122 feet 
straight ... -World's Tallest Self Supporting Building and Free-standing Structure 
on... [DOC] [TLE] CN Tower  Facts at a Glance [PAR] The CN Tower was built by Canadian National Railways in. 1976. In 1995 the CN 
Tower became a public company and continues to be federally ... 553.33 m / 
1,815 ft, 5 inches. (World's Tallest Tower, Building and Freestanding Structure. [DOC] [TLE] About the Eiffel Tower [PAR] Eiffel was hired by a rail manufacturing company and began practicing civil 
engineering at ... The tower was built to commemorate the 100th anniversary of 
the French ... The world's tallest self-supporting structure is the CN Tower 
completed in 1976 by the Canadian National Railways, stands 1815 feet 5 
inches tall, and is... [DOC] [TLE] CN Tower - Dictionnaires [PAR] 1.a tower in Toronto; 1815 feet tall for broadcasting widely ... CN Tower is the 
world's 5th tallest free-standing structure. ... Its name "CN" originally referred to 
Canadian National, the railway company that built the tower. ..... Guinness World 
Records has called the CN Tower "the world's tallest self-supporting tower" and "
the... [DOC] [TLE] The CN Tower Story - Canadian Communications Foundation ... [PAR] But this plan for a tower site was bypassed when the two railways, CPR and CNR
, ... At the top of concrete a steel structure extended the height to 1815 feet above 
grade level. ... above ground, it became the tallest self-supporting structure in the 
world. ... that they should all move onto this "CN/CP Tower" when it was built. [DOC] [TLE] CN Tower - Revolvy [PAR] Built on the former Railway Lands , it was completed in 1976, becoming the ... Its 
name "CN" originally referred to Canadian National , the railway company that 
built ... the world's tallest free-standing structure and world's tallest tower at the 
time. ..... CN Tower "the world's tallest self-supporting tower" and "the world's 
tallest... [DOC] [TLE] June 26 - Today in Science History - Scientists born on June 26th ... [PAR] But as a superfluid, the atoms then move in a co-ordinated manner! more .... 
Subsequently ARPANET was built, which became the model for the Internet. ..... 
In 1976, the CN tower in Toronto, Canada, the world's tallest self-supporting 
structure, ... height of 1815 feet 5 inches it is the tallest free-standing structure in 
the world. [DOC] [TLE] Such Great Heights: 9 Soaring Towers With a View from the Top ... [PAR] Oct 14, 2011 ... Humankind has long had the desire to build structures that pierce the sky ... 
defined as self-supporting structures that are always taller than they are wide). ... 
Tokyo's Sky

Question: The world's tallest self-supporting structure at 1,815 feet, the CN Tower was built by this railway company
Answer: Canadian National