1936 ⟶ Hoover Dam Completed
The Hoover Dam is completed.
Year
1869
1878
1930
1931
1936
1973
🚂 First Transcontinental Railroad Completed
First transcontinental railroad completed in United States on 10 May. – United States⟶
RailroadTransportationInfrastructureWestward ExpansionAmerican Civil WarEconomic DevelopmentManifest Destiny
United States📞 First Commercial Telephone Exchange Established
First commercial telephone exchange in New Haven, Connecticut.A barricade in the Paris Commune, 18 March 1871. Around 30,000 Parisians were killed, and thousands more were later executed.⟶
CommunicationInfrastructure
United States🏢 Chrysler Building Construction Completed
May 27: Construction of Chrysler Building completed.⟶
ArchitectureSkyscrapersConstructionArt DecoNew York CityUrban Development
United States🏢 Empire State Building Completed
May 1: Empire State Building completed.⟶
ArchitectureSkyscrapersConstructionNew York CityArt DecoModernismUrbanization
United States🏞️ Hoover Dam Completed
🏢 Sears Tower Construction Completed
May 3: Construction of the Sears Tower (later renamed to Willis Tower) completed.⟶
ArchitectureSkyscrapersModernismUrban DevelopmentConstructionChicagoEconomy
United States