Complex sentence: On May 9,1946, the Reading Terminal Market experienced its largest recorded crowd; over 12,000 people gathered at the market to purchase meat, poultry, and pork products that were unavailable elsewhere due to shortages.
Split into simpler sentences: On May 9,1946, the Reading Terminal Market experienced its largest recorded crowd. Over 12,000 people gathered at the market to purchase meat, poultry, and pork products that were unavailable elsewhere due to shortages.