It was at the request of the Governor General, and the Governor General sets the date of the elections.
On May 7th, 2015. See this statement in context.
On May 7th, 2015. See this statement in context.
May 7th, 2015 / 11:10 a.m.
Chief Electoral Officer, Elections Canada
It was at the request of the Governor General, and the Governor General sets the date of the elections.
See context to find out what was said next.