What were the first areas of research into Artificial Intelligence and what were some early successes?  More recently we've had:Beating a human at the game of chessConvincing a human that a person was conversing with them (passing the Turing test)Beating a human at Jeopardy game showBeating a human at the game of go.Were there milestones that were considered major in the field before the 1990s?
What were the first areas of research and what were some early successes?
history