Da Vinci was chosen as a symbol world peace , freedom of expression , tolerance , brotherhood and multiculturalism as well as art 's importance to other fields .
The date was decided in honor of the birthday of Leonardo da Vinci .
Leonardo da Vinci   was chosen as a symbol world peace , freedom of expression , tolerance , brotherhood and multiculturalism as well as art 's importance to other fields .
The date was decided in honor of the birthday of Leonardo da Vinci .