On this day in 1492, the Spanish army captured Granada, the last Spanish Muslim stronghold, from the Moors, ending 700 years of Arab rule in Spain.
On this day in 1882, John D. Rockefeller became the most powerful American outside the White House by gaining a stranglehold on the fast-growing oil industry.
On this day in 1996, U.S. government dietary guidelines acknowledged for the first time that consuming some alcohol can be healthy.