Complex sentence: On July 20,2005, at 5:30 in the morning, Doohan died at his home in Redmond, Washington; the same day that man first step foot on the moon.
Split into simpler sentences: On July 20,2005, at 5:30 in the morning, Doohan died at his home in Redmond, Washington. This the same day that man first step foot on the moon.