|1880     |1890     |1900     |1910     |1920     |1930     |1940     |1950     |1960     |1970     |1980     |1990     |2000     |2010     
         | 1889 Monadnock Building
          | 1890 Reliance Building
          | 1890 Wainwright Building
                      | 1902 Flatiron Building
                              | 1910 Woolworth Building
                                                | 1928 Chrysler Building
                                                 | 1929 PSFS Building
                                                  | 1930 McGraw-Hill Building
                                                   | 1931 Empire State Building
                                                   | 1931 
                                                    | 1932 Rockefeller Center
                                                                   | 1947 United Nations Headquarters
                                                                    | 1948 Lake Shore Drive Apts
                                                                      | 1950 Lever House
                                                                          | 1954 Seagram Building
                                                                                 | 1961 Chase Manhattan Bank
                                                                                     | 1965 Richard Daley Center
                                                                                      | 1966 World Trade Center
                                                                                        | 1968 Lake Point Tower
                                                                                         | 1969 U. N. Plaza
                                                                                          | 1970 John Hancock Center
                                                                                          | 1970 Kanchanjunga Apts
                                                                                              | 1974 Sears Tower
                                                                                              | 1974 
                                                                                                | 1976 Citicorp Center
|1880     |1890     |1900     |1910     |1920     |1930     |1940     |1950     |1960     |1970     |1980     |1990     |2000     |2010     
                                                                                                | 1976 Pennzoil Place
                                                                                                 | 1977 Hancock Place
                                                                                                   | 1979 Hongkong and Shanghai Bank
                                                                                                     | 1981 National Commercial Bank HQ
                                                                                                      | 1982 Bank of China Tower
                                                                                                      | 1982 La Grande Arche
                                                                                                                      | 1998 Petronas Towers
                                                                                                                        | 2000 7 South Dearborn
                                                                                                                        | 2000 30 St Mary Axe
                                                                                                                           | 2003 Taipei 101