1973Sears Tower Construction Completed

May 3: Construction of the Sears Tower (later renamed to Wil...
Timelines Logo
Year
1930
1931
1936
1960
1973
1983

🏢 Chrysler Building Construction Completed

May 27: Construction of Chrysler Building completed.
Chrysler Building Construction Completed (1930)
ArchitectureSkyscrapersConstructionArt DecoNew York CityUrban Development
United StatesUnited States

🏢 Empire State Building Completed

Empire State Building Completed (1931)
ArchitectureSkyscrapersConstructionNew York CityArt DecoModernismUrbanization
United StatesUnited States

🏞️ Hoover Dam Completed

The Hoover Dam is completed.
Hoover Dam Completed (1936)
InfrastructureGreat DepressionConstruction
United StatesUnited States

💡 First Laser Constructed

May 16: Construction of the first laser.
First Laser Constructed (1960)
LaserPhysicsOpticsQuantum Mechanics
United StatesUnited States

🏢 Sears Tower Construction Completed

May 3: Construction of the Sears Tower (later renamed to Willis Tower) completed.
Sears Tower Construction Completed (1973)
ArchitectureSkyscrapersModernismUrban DevelopmentConstructionChicagoEconomy
United StatesUnited States

📱 Ameritech Commercializes Cellular Network in Chicago

Ameritech, now known as AT&T, commercialized the Bell System (its cellular network) in Chicago, Ill.
Ameritech Commercializes Cellular Network in Chicago (1983)
TelecommunicationsCellular TechnologyMobile PhonesChicagoDigital Revolution
United StatesUnited States