Complex sentence: He was banned from Wikipedia for one year on September 3 2006, but his continued edit-warring by way of sockpuppets resulted in the ban being extended across almost two calendar years due to 13 resets.
Split into simpler sentences: He was banned from Wikipedia for one year on September 3,2006. His continued edit-warring by way of sockpuppets resulted in the ban being extended across almost two calendar years due to 13 resets.