Which of the following statements is not correct?​

A) ​The invention of electrical generators and the incandescent light bulb occurred in the mid-1800s.
B) ​Major innovations in telecommunications occurred in the 20th century.
C) ​The introduction of gasoline-fueled internal combustion engines occurred in the 1840s.
D) ​The discovery of nuclear fission occurred in the late 1930s.

Electrical Generators

Devices that convert mechanical energy into electrical energy, often used for power generation in various settings.

Incandescent Light Bulb

A source of artificial light operating by heating a filament wire to a high temperature until it glows, typically using electricity.

Internal Combustion Engines

Engines in which fuel is burned within the engine itself to create power, commonly used in vehicles.