Complex sentence: He ran again in the Municipal elections of December 2004, where he was reelected, beginning his second term as mayor January 2005 for a further period 5 years, culminating in January 2010.
Split into simpler sentences: He ran again in the Municipal elections of December 2004, where he was reelected. He began his second term as mayor January 2005 for a further period 5 years, culminating in January 2010.