Complex sentence: The European Jamboree 2005 (EuroJam 2005) was held in the summer 2005 and lasted for 12 days between July 29 and August 10, in Hylands Park, Chelmsford, Essex, near Gilwell Park, an important campsite and training center for Scout Leaders.
Split into simpler sentences: The European Jamboree 2005 (EuroJam 2005) was held in the summer 2005 and lasted for 12 days between the 29th of July and the 10th of August, in Hylands Park, Chelmsford, Essex. It is near Gilwell Park, an important campsite and training center for Scout Leaders.