The 2006 ICF Canoe Slalom World Championships were held in Prague, Czech Republic under the auspices of International Canoe Federation. Prague became the second city to host both the slalom and sprint world championships, having hosted the latter in 1958 when Prague was part of Czechoslovakia. Nottingham, Great Britain was the first, hosting the slalom world championships in 1995 and the sprint world championships in 1981.
References
2006 ICF Canoe Slalom World Championships Wikipedia(Text) CC BY-SA