Complex sentence: Fox hunting originated in the form practised until recently in the United Kingdom in the 16th century, but is practised all over the world, including in Australia, Canada, France, Ireland, Italy and the United States.
Split into simpler sentences: Fox hunting originated in its current form in the United Kingdom in the 16th century. It is practised all over the world, including in Australia, Canada, France, Ireland, Italy and the United States.