2013 Event An estimated 40-50,000 residents, about 30-35% of all residents of Piedras Negras, Mexico, where devastated by flooding June 14 and 15 1972 Birthday Rafael Carmona, Rio Piedras Puerto Rico, pitcher for the Seattle Mariners 1965 Birthday Ruben Sierra, Rio Piedras Puerto Rico, outfielder, New York Yankees 1963 Birthday Jose Oquendo, born in Rio Piedras, Puerto Rico, Jose Manuel Roberto Guillermo Contreras Oquendo, baseball player, infielder, coach, signed with New York Mets at age fifteen, member, St. Louis Cardinals, played 1987 World Series, record for fewest second baseman errors, 1990 1935 Birthday Chi Chi Rodriguez, Rio Piedras PR, PGA golfer, 1972 Byron Nelson 1899 Birthday Forrest Lewis, actor, Monster of Piedras Blancas 1828 Event Battle of Las Piedras, ends conflict between Uruguay and Brazil