Da Vinci Days
da vinci day annual festival held corvallis u state oregon science technology art based festival includes live music kinetic sculpture race summer event lecture series spring festival named italian inventor artist writer leonardo da vinci started last event held steam series lecture take place every tuesday april summer festival take place always third weekend july da vinci day began joint project oregon state university city hewlettpackard festival held festival restructured returned continues annually da vinci day cancelled favor virtual conference due covid pandemic list thing named leonardo da vinci official site