Aug. 9 (UPI) -- On this date in history:
In 1483, the Sistine Chapel opens in the Vatican.
In 1854, Walden was published by Henry David Thoreau.
In 1936, American track star Jesse Owens won his fourth Olympic gold medal in Berlin.
In 1945, a U.S. B-29 bomber dropped an atomic bomb nicknamed "Fat Man" on the Japanese city of Nagasaki three days after the atomic bombing of Hiroshima. Three weeks later, Japan formally surrendered, ending World War II.
In 1991, Vietnamese Prime Minister Do Muoi resigned. He was succeeded by Vo Van Kiet, who vowed to transform Vietnam into a market economy.
In 2011, the Obama administration announced the first fuel efficiency standards for heavy trucks, projected to save U.S. businesses that operate and own the commercial vehicles about $50 billion in fuel costs over the life of the program.
In 2013, Quazi Mohammad Rezwanul Ahsan Nafis, 22, a Bangladeshi man who pleaded guilty to terrorism charges for trying to blow up the Federal Reserve Bank in New York City, was sentenced to 30 years in prison. "I'm ashamed," he said. "I'm lost. I tried to do a terrible thing. I alone am responsible for what I've done. Please forgive me."
In 2014, a white police officer shot and killed a black youth, Michael Brown, 18, in Ferguson, Mo., touching off weeks of protests.