Simplify the following text for a Grade 4 native English-speaking person.
Original: The 1920 Summer Olympics , officially known as the Games of the VII Olympiad , were held in 1920 in Antwerp , Belgium . The 1920 Games were awarded to Antwerp to honor the suffering of the Belgian people during World War I.
Simplified: These are the top ten nations that won medals at the 1920 Games .