Tokyo Tower, then the world's tallest freestanding tower, opened.

Tokyo Tower , also known as the Japan Radio Tower is a communications and observation tower in the district of Shiba-koen in Minato, Tokyo, Japan, completed in 1958. At 332.9 m (1,092 ft), it was the tallest tower in Japan until the construction of Tokyo Skytree in 2012. It is a lattice tower inspired by the Eiffel Tower, and is painted white and international orange to comply with air safety regulations.

The tallest structure in the world is the Burj Khalifa skyscraper at 828 m (2,717 ft). Listed are guyed masts, self-supporting towers, skyscrapers, oil platforms, electricity transmission towers, and bridge support towers. This list is organized by absolute height. See History of the world's tallest structures, Tallest structures by category, and List of tallest buildings for additional information about these types of structures.