Description: Welcome to 1990! Smoking is banned on cross-country flights. Nelson Mandela is released. Mikhail Gorbachev is elected first President of Soviet Union. Michael Milken is sentenced in junk bond fraud. Microsoft releases Windows 3.0. J.K. Rowling starts writing the first Harry Potter novel. Universal Studios Orlando opens. The first known web page is written. Margaret Thatcher resigns as Prime Minister of U.K. The world welcomes Klay Thompson, The Weeknd, Caroline Wozniacki, and Jennifer Lawrence.