Complex sentence: The Mart opened in 1957 and hosts several trade shows every year including Market Wednesday, Atlanta Apparel, Atlanta Spring Immediate Delivery, and The Atlanta International Gift and Home Furnishings Market.
Split into simpler sentences: The Mart opened in 1957, and hosts several trade shows every year. These trade shows include Market Wednesday, Atlanta Apparel, Atlanta Spring Immediate Delivery, and The Atlanta International Gift and Home Furnishings Market.