In 2006, Mayor David Miller of the City of Toronto and Michael Di Biase of the City of Vaughan proclaimed Peace Tree Day, a new festival for children and family of every culture and faith to celebrate peace and diversity TOGETHER!

In 2007, York Region, York Region District School Board, York Region Catholic District School Board, York Regional Police and the City of Windsor proclaimed Peace Tree Day on June 1st. Celebrations were held in Stouffville, Vaughan, Richmond Hill, Windsor, Hamilton, PEI and in many schools, camps and hospitals. Find out how to proclaim Peace Tree Day in your city. Visit Proclamation.

In 2008, Peace Tree Day was celebrated in Toronto, Vaughan, York Region, Windsor, and Hamilton.  In York Region, the York Regional Police unveiled the world's first Peace Tree Garden. At Toronto's Peace Tree Stand, children raised $3,310 for UNICEF'S Mynamar/Burma Cyclone Appeal and Free the Children's China Relief Fund.  Details.