Ostankino Tower (Russian: Останкинская телебашня, Ostankinskaya telebashnya) is a television and radio tower in Moscow, Russia, owned by Moscow branch of unitary enterprise Russian TV and Radio Broadcasting Network. Standing 540.1 metres (1,772 ft) tall, Ostankino was designed by Nikolai Nikitin. It is currently the tallest freestanding structure in Europe and seventh tallest in the world. The tower was the first free-standing structure to exceed 500 m (1,600 ft) in height. Ostankino was built to mark the 50th anniversary of the October Revolution. It is named after the Ostankino district of Moscow in which it is located.
Construction began in 1963 and was completed in 1967. Extensive use of prestressed concrete resulted in a simple and sturdy structure. It surpassed the Empire State Building and was a masterpiece of Soviet engineering in the time period it was built, to become the tallest free-standing structure in the world. It held this record for nine years until the CN Tower was completed in Toronto, Canada in 1976, which surpassed its height by 13 metres (43 ft). The Ostankino Tower remained the second-tallest structure in the world for another 31 years until the Burj Khalifa surpassed both it and the CN Tower in height in 2007. The Ostankino Tower has remained the tallest structure in Europe for 46 years.
Moscow (// or //; Russian: Москва, tr. Moskva; IPA: [mɐˈskva] ( listen)) is the capital city and the most populous federal subject of Russia. The city is a major political, economic, cultural and scientific center in Russia and in Europe. According to Forbes 2012, Moscow has the second largest community of billionaires in the world. Moscow is the northernmost megacity on Earth, the most populous city in Europe, and the 6th largest city proper in the world. It is the largest city in Russia with a population, according to the 2010 Census, of 11,503,501. By its territorial expansion on July 1, 2012 southwest into the Moscow Oblast, the capital increased its area 2.5 times; from about 1,000 square kilometers (390 sq mi) up to 2,511 square kilometers (970 sq mi), and gained additional population of 233,000 people.