2014 Event Tennis champion Serena Williams beats Karolina Pliskova in her first game since leaving the Wimbledon games on July 1st due to illness; Williams will undergo future medical tests to confirm whether the illness was caused by a virus 1988 Event Karolina Szabo runs female world record 25k (1:29:30)/30k (1:47;06) 1978 Birthday Karolina Rantamaki, ice hockey left wing, Finland, 1998 Olympics 1893 Death Karolina Pawlowa, writer, dies at 86 1807 Birthday Karolina Pawlowa, writer
