FRIDAY, May 15, 2026

1252-Pope Innocent IV issues the papal bull Ad Extirpanda, which authorizes but also limits the torture of heretics in the Medieval Inquisition 1618-German astronomer Johannes Kepler discovers the third of his three planetary laws, the "harmonic law" 1841-First emigrant wagon train to reach California leaves Independence, Missouri, on a 1,730-mile journey over the Sierra Nevada 1869-National Woman Suffrage Association forms in New York, founded by Susan B. Anthony and Elizabeth Cady Stanton 1940-Richard and Maurice McDonald open the first McDonald's restaurant in San Bernardino, California 1951-AT&T becomes the first U.S. corporation to have a million stockholders after young car salesman Brady Denton purchases seven shares worth $1,078 1988-The Soviet Union begins withdrawing its 115,000 troops from Afghanistan

Original source: Korea Times