Complex sentence: Every year, the club traditionally has several "Open House" weekends near the end of the year, with the first such Open House weekends being held Friday and Saturday, Nov 9-10 and 16-17,1962.
Split into simpler sentences: Every year, the club traditionally has several "Open House" weekends near the end of the year. The first such Open House weekends were held Friday and Saturday, Nov 9-10 and 16-17,1962.