आर्टिफिशियल इंटेलिजेंस के विकास से संबंधित प्रमुख घटनाओं की एक समयरेखा तैयार करें।
1. 1949 - Claude Shannon publishes "Programming a Computer for Playing Chess," one of the earliest papers on artificial intelligence.

2. 1956 - The Dartmouth Conference is held, where the term "artificial intelligence" is first used.

3. 1958 - John McCarthy, Marvin Minsky, Nathaniel Rochester, and Claude Shannon create the first AI program, called the Logic Theorist.

4. 1961 - The first robot, the Unimate, is created by George Devol.

5. 1967 - The first chatbot, ELIZA, is created by Joseph Weizenbaum.

6. 1974 - The first autonomous vehicle is created by Tsukuba Mechanical Engineering Laboratory.

7. 1985 - The first expert system, called MYCIN, is created for diagnosing bacterial infections.

8. 1997 - Deep Blue, a chess-playing program created by IBM, defeats world champion Garry Kasparov.

9. 2011-2015 - Advances in machine learning, deep learning and neural networks lead to the development of Google's AlphaGo, which defeats world champion Lee Sedol in 2016.

10. 2018 - OpenAI creates an unsupervised AI system called GPT-2, which can generate highly realistic human-like text.

11. 2019 - Google develops a quantum computer, which has the potential to revolutionize AI and machine learning.

12. 2020 - AI is used to identify and track the COVID-19 pandemic, and to help develop vaccines and treatments.