February 17, 2021 251 Today is Thursday, Feb. 18, the 49th day of 2021. There are 316 days left in the year. Today’s Highlight in History: On Feb. 18, 1970, the “Chicago Seven” defendants were found not guilty of conspiring to incite riots at the 1968 Democratic national convention; five were convicted of violating the Anti-Riot Act of 1968 (those convictions were later reversed). On this date: In 1564, artist Michelangelo died in Rome. The dwarf planet Pluto In 1930, photographic evidence of Pluto (now designated a “dwarf planet”) was discovered by Clyde W. Tombaugh at Lowell Observatory in Flagstaff, Arizona. In 1943, Madame Chiang Kai-shek (chang ky-shehk), wife of the Chinese leader, addressed members of the Senate and then the House, becoming the first Chinese national to address both houses of the U.S. Congress.