On what date did Thomas Edison die in West Orange, New Jersey?

Thomas Edison died on October 18, 1931, in West Orange, New Jersey.

Edison died at his home, Glenmont, in West Orange at the age of 84. He had spent much of his later life at the nearby West Orange laboratory complex, continuing research and business activities even after his most famous inventions had become established.

His death occurred during a period when electric power, recorded sound, telephones, and motion pictures were already transforming daily life. President Herbert Hoover and other public figures recognized Edison’s national importance. Many electric lights were briefly dimmed or switched off in tribute, although the exact details of commemorations varied by location.

Edison was buried at Glenmont. His death date is sometimes confused with the dates of major demonstrations, patent grants, or the deaths of other prominent inventors. The exact date, October 18, 1931, is consistently recorded in biographies and historical references. Edison’s legacy remains connected both to individual inventions and to the industrial research methods used to develop them.