Answer: Lydia Ko Ko was 17 years 9 months 8 days when the ranking was achieved on 2 February 2015, which made her the youngest person of either gender at that rank. Inbee Park was No 1 prior to that and has regained the ranking in June 2015.
Phil Taylor (1960-now), ranked world number one in 2012 in the Professional Darts Corporation order of merit, holds a record 16 darts World Championship titles; in what year did he win his first World Championship?
Andrea Jaeger of the US had a successful career in professional tennis, becoming World Ranked number 2, between the ages of 15 and 19, but it ended prematurely due to major shoulder injuries. What profession did she take up in 2006?
