Complex sentence: An official opening of the new bridge and facilities took place on 3 July 2010, when three boats were launched from the slipway, and members from canoe clubs at Boston and Sleaford attended.
Split into simpler sentences: An official opening of the new bridge and facilities took place on 3 July 2010, when three boats were launched from the slipway. Members from canoe clubs at Boston and Sleaford attended.