点击播放按钮听音频：
Jan 20th
1981, Iran release 52 Americans taken hostage at the US embassy in Tehran after 444 days in captivity. It happened just minutes after the Ronald Reagan is sworn in as President succeeding Jimmy Carter in the White House.
1961, in Washington, John F. Kennedy becomes America's 35th president, challenging the country in his inaugural address "And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country."
1942, during World War II, officials in Nazi Germany hold the notorious Wannsee conference near Berlin. As where they devise what they called "The Final Solution", they are planned to exterminate Europe's millions of Jews.
1936, start of a turbulent year for Britain's Monarchy, has Britain's King George the Fifth dies; George's son becomes King Edward the Eighth, but he later gives up the throne to marry an American divorcée Wallis Simpson. By the end of the year, Edward's brother becomes King George the Six, father of the future Queen Elisabeth II
And 1896, "Aunt Gracie, say hello to everybody", "hello, everybody". comedian George Burns, straight man to wife Gracie on radio who later play god on a big screen, is born in New York City.
Today in history, Jan 20th, Tim Maguire, the Associated Press