Home > General Knowledge > Important Dates and EventsWhat year did the first version of Windows 1.0 get released?A. 1981 B. 1983 C. 1985 D. 1987Answer: 1985Additional Information: Windows 1.0 was released by Microsoft on November 20, 1985. Subjects: Important Dates and Events, General KnowledgeRelated MCQsWhen was the first effective malaria vaccine approved?When did the first recorded flight of a human-powered aircraft occur?When was the first modern Olympics held?When did the first human spaceflight take place?When was the first successful artificial intelligence program developed?When was the first successful treatment for tuberculosis developed?What year did the Great Fire of London occur?What year did the first self-sustaining nuclear chain reaction occur?When did the U.S. Constitution become effective?What year did the first manned spaceflight occur?What year did the first female Prime Minister of the UK, Margaret Thatcher, take office?When did the first successful flight of the Concorde occur?What year did the first electric light bulb get invented?When was the first successful use of virtual reality in therapy?When was the first recorded Olympic Games held?