Click on the events below for further information.
| Decade |
Year |
Event |
| 1900s |
1906 |
The Ritz (UK) opens and is the first substantial steel-frame structure in London. |
| 1908 |
The Summer Olympics are held in London (UK). |
| 1909 |
The Metropolitan Life Insurance Tower (USA) becomes the world's tallest building at 213m tall. |
| 1910s |
1913 |
The Woolworth Building (USA) is completed and becomes the world's tallest building at 241m. |
| 1913 |
The Centennial Hall, Poland. |
| 1919 |
The War Memorial (UK), also known as The Cenotaph, is completed in London's Whitehall. |
| 1920s |
1922 |
Queen Mary opens the new Waterloo Station in London (UK) with 21 platforms and a concourse nearly 244m long. |
| 1922 |
County Hall in London (UK) opens, but is not completed until 1933. |
| 1923 |
The Lingotto Fiat Factory (Italy) opens. |
| 1930s |
1930 |
The Chrysler Building is the tallest building in the world from 1930 until 1931 when it is surpassed by the Empire State Building. It is still the tallest brick building in the world today. |
| 1932 |
The Sydney Harbour Bridge opens. |
| 1932 |
Senate House , Bloomsbury is built from 1932-1937 in an art deco style. |
| 1935 |
Work is completed on Battersea Power Station A (with art deco interiors by Halliday). |
| 1937 |
The Golden Gate Bridge opens to vehicle traffic, providing a major artery between Marin County and San Francisco. |
| 1939 |
The Johnson Wax Building (USA) is completed; it has over 200 types of curved red bricks making up the exterior and interior of the building, and Pyrex glass tubing from the ceiling and clear stories to let in soft light. |
| 1940s |
1940 |
The Tacoma Narrows Bridge (USA) becomes the longest twin suspension bridge in the world (replaced 1950). |
| 1943 |
The Pentagon (USA), headquarters of the United States Department of Defense, is completed. |
| 1944 |
The Mulberry Harbour (France) is built for D-Day during World War 2 to ease and speed up the unloading process, so that Allied troops were supplied as they advanced across France after breaking out from Normandy. |
| 1947 |
The Bankside Power Station is commissioned following a power shortage. |
| 1950s |
1951 |
Royal Festival Hall opens in London (UK) - it becomes the first post-war building to become protected as a Grade I listed building (in April 1988). |
| 1952 |
The Chesapeake Bay Bridge (USA) is completed. |
| 1956 |
Lake Pontchartrain Causeway (USA) becomes the world's longest bridge. |
| 1957 |
The Lovell Telescope (UK) a radio telescope at Jodrell Bank Observatory, is completed. |
| 1960s |
1960 |
The Stadio Olimpico (Italy) opens as the site for the Summer Olympics. |
| 1962 |
The Space Needle (USA) is completed; like the Eiffel Tower in Paris, the Space Needle was created for an international exposition, in this case, the 1962 World Fair. |
| 1963 |
The Mill Bank Tower (UK) is completed. |
| 1964 |
The Verrazano Narrows Bridge (USA) is completed. |
| 1964 |
The Forth Road Bridge (UK) opens; it is a suspension bridge spanning the Firth of Forth, connecting the capital city Edinburgh at South Queensferry to Fife at North Queensferry. |
| 1964 |
The BT Tower (UK) is completed. |
| 1965 |
The Ostankino TV Tower (Russia) becomes the world's 2nd tallest tower. |
| 1967 |
The two auditoriums, the Queen Elizabeth Hall and the Purcell Room in London (UK), both part of the South Bank arts complex , are opened. |
| 1969 |
The John Hancock Center (USA) is opened; this one-hundred-story skyscraper, when completed, was the tallest building in the world outside New York City at 344m tall. |
| 1970s |
1972 |
The Transamerica Pyramid (USA) becomes the tallest and most recognizable skyscraper in the San Francisco skyline. |
| 1973 |
The Sydney Opera House is completed; it has an expressionist modern design, with a series of large precast concrete 'shells', each taken from the same hemisphere, forming the roofs of the structure. |
| 1974 |
The 110-storey Sears Tower (USA) is completed and is 443m tall. |
| 1976 |
CN Tower is completed and is 553m tall. |
| 1976 |
The Museum of London (UK) is opened. |
| 1980s |
1980 |
The Ganter Bridge (Switzerland) becomes the world's longest concrete arch. |
| 1981 |
Tower 42 (UK) becomes the UK's tallest building for 10 years, topped by One Canada Square, Canary Wharf in 1991. |
| 1981 |
The Humber Bridge (UK) is completed. |
| 1981 |
Sydney Tower (Australia), also known as the AMP Tower, AMP Centrepoint Tower, Centrepoint Tower or just Centrepoint, becomes Sydney's tallest free-standing structure, and the second tallest in Australia. |
| 1982 |
The Thames Barrier (UK) is completed; it is a flood control structure for the River Thames. |
| 1983 |
Itaipu Dam (Brazil/Paraguay) becomes the largest power plant on earth, supplying 26% of the electrical power consumption of Brazil and 78% for that of Paraguay. |
| 1986 |
The Lloyd's Building (UK) is completed. It is the home of insurance institution Lloyd's of London, and is located at One Lime Street, in the City of London. |
| 1990s |
1990 |
The Bank of China Tower (Hong Kong) opens. |
| 1991 |
One Canada Square , Canary Wharf (UK) opens. |
| 1993 |
The first phase of building the Three Gorges Dam (China) begins. |
| 1995 |
The Oriental Pearl Tower (China) at 468m is the 3rd tallest structure in the world, and the tallest in Asia. |
| 1995 |
The Pont de Normandie Bridge (France) is completed after seven years construction; its total length is 856m between the 2 piers. |
| 1998 |
The Petronas Towers (Malaysia) becomes the tallest buildings in the world at 452m. |
| 1999 |
Burj Al Arab, United Arab Emirates |
| 1999 |
The Millennium Dome (UK) is completed. |
| 1999 |
The London Eye , or Millennium Wheel, is completed. It is now the most popular paid-for visitor attraction in the UK. |
| 2000s |
2000 |
The Oresund bridge/tunnel linking Sweden and Denmark becomes the world's longest single bridge carrying both road and railway traffic. |
| 2000 |
Osaka Maritime Museum (Japan) opens. |
| 2001 |
Glasgow Science Centre (UK) opens. |
| 2002 |
Gateshead Millennium Bridge (UK), nicknamed the Blinking Eye Bridge, opens. |
| 2002 |
The Falkirk Wheel , named after the nearby town of Falkirk in central Scotland, opens and is a rotating boat lift connecting the Forth and Clyde Canal with the Union Canal. |
| 2003 |
Taipei 101 (Taiwan) becomes the new world's tallest tower (1,666ft). |
| 2004 |
The Swiss Re or Gherkin (UK) opens and becomes London's first environmentally sustainable tall building. |
| 2005 |
Loetschberg tunnel (Switzerland) becomes the longest in tunnel in the Alps and 3rd longest in world (21 miles). |
| 2007 |
Wembley Stadium (UK) is completed. |