The Custom of Annually Fixing a Day to be Celebrated as Arbor Day Has Spread Into Every Section of the Country ... I, Daniel H. Hastings, Governor of the Commonwealth of Pennsylvania, Name and Proclaim Friday, April Ninth and Friday, April Twenty-third, as Arbor Days for the Year of Our Lord One Thousand Eight Hundred and Ninety-seven. ... Given Under My Hand and the Great Seal of the State this Eighteenth Day of March in the Year of Our Lord One Thousand Eight Hundred and Ninety Seven, and of the Commonwealth One Hundred and Twenty First