Every Year DISCOVERY DAY (PUERTO RICO) 1490s 1493: CHRISTOPHER COLUMBUS FIRST SIGHTED WHAT IS NOW PUERTO RICO 1750s BORN 1752: GEORGE ROGERS CLARK (MILITARY LEADER) 1790s 1794: JAY’S TREATY BETWEEN THE U.S. AND GREAT BRITAIN SIGNED 1820s DIED 1828: FRANZ SCHUBERT (COMPOSER) 1830s BORN 1831: […]