In 1932 Sir James Chadwick discovered which particle, later used to split atoms in nuclear fission?

After she jumped into a demonic portal in 2001, whose TV gravestone read "She saved the world. A lot."? Which folk singer led "We Shall Overcome" at the 1963 March on Washington, and later had a chart hit with her version o… After her birth in March 1990, Buckingham Palace set up a phone line to tell callers how to pronounce which princess's… After signing the Mayflower Compact in 1620, John Carver became the first governor of which colony? After Smokey Robinson left which group, it had a No. 1 hit with "Love Machine (Part 1)", released in 1975? After some miserable months in Vienna, Frederic Chopin arrived in which city, another musical mecca, in September 1831? Which magazine publisher, who championed a flat tax, spent millions of his own money before quitting the GOP presidenti… After Jim Thorpe was stripped of his medals, Sweden's Hugo Wieslander was awarded the decathlon gold from which Olympic…