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Electricity was invented
Ben Franklin proved that static electricity and lightning were the same by tying a key to a kite. His correct understanding of the nature of electricity paved the way for the future. -
First Battery
Alessandro Volta invented the first electric battery. The term volt is named in his honor. The exact date of his discovery is unknown. -
First Incandescent Lamp
Warren De la Rue encloses a platinum coilin an evacuated glass tube and passes electricity through it in the first recorded event to produce an incandescent lamp. -
Electrical Realy
Joseph Henry invented the electrical relay, used to send electrical currents long distances. -
Electric Motor was invented
Thomas Davenport invented the electric motor, an invention that is used in most electrical appliances today. -
Joule was created
James Prescott Joule showed that energy is conserved in electrical circuits involving current flow, thermal heating, and chemical transformations. A unit of thermal energy, the Joule, was named after him. -
Electric Telegraph
Samuel Morse invented the electric telegraph, a machine that could send messages long distances across wire. -
Christmas Lights
Edward Johnson first put electric lights on a Christmas tree. -
First Powerline
First power line between USA and Canada at Niagra Falls. -
Boulder Dam
Construction of Boulder Dam began.