One Of The Oldest Cultivated Vegetables, Onions Were Once Believed To Protect Against Evil. In Ancient Egypt, The Onion Symbolized Eternity Because Of Its Circle Within A Circle Layered Structure. In Ancient Greece And Rome, Soldiers And Athletes Ate Onions To Bring Them Strength, Valor And Invincibility.. 3 In H X 1.5 In W X 2.25 In D. Purchase includes One Ornament.