Vacate Law and Legal Definition. Vacate is a term subject to different meanings. In the context of a court order or decision, vacate means to overrule or void. A decision may be vacated for error, however, the error must be significant enough that it affected the outcome.
Because people needed a way to store electricity. The battery was invented around 2,000 years ago if you believe the Baghdad battery discovered in 1936 was a real battery. The Voltaic battery was invented in 1780. The Rechargeable Lead Acid Automobile Battery we use today was invented in 1859.
Summary. 1  With the invention of the battery (Allessandro Volta, 1800), the generation of a magnetic field from electric current (Hans Christian Oersted, 1820) and the electromagnet (William Sturgeon, 1825) the foundation for building electric motors was laid. 2  Worldwide, many inventors worked in parallel on this task - it was a fashion problem.