-
1910's
Indoor plumbing became more common
Telephones were being used in households
Public transportation is becoming more commonly used -
1920's
First radio station introduced in United States
Traffic light invented
Television invented -
1930
Invention of the game Monopoly
First jet engine built
First helicopter invented -
1940's
WWII
Invention of color TV
Invention of microwave -
1950's
Issues with civil rights begin to rise
McDonalds is founded
Cold war
