
2. "2011: NASA's space probe Dawn arrived at the asteroid Vesta, becoming the first spacecraft to orbit a celestial body in the asteroid belt."
3. "2006: The Nathula Pass between India and China, a major trade route in the past, reopened after being closed for 44 years."
4. "1986: US President Ronald Reagan visited the Berlin Wall and delivered the famous speech in which he said, 'Mr. Gorbachev, tear down this wall!'"
5. "1985: Back to the Future, directed by Robert Zemeckis and starring Michael J. Fox, was released in theaters, becoming a cultural phenomenon."