Below you can find the First used in antwerp in 1920 the olympic flag shows 5 of these on a white background Jeopardy Words Answer. The answer to First used in antwerp in 1920 the olympic flag shows 5 of these on a white background has 5 letters. This clue belongs to the The olympics category and is part of Jeopardy Word Level 820. If you scroll near the bottom you will find other clues and answers part of level 820