Main Content Act 186 of 1985 friendly link Printer Friendly bills affecting index and updates Search within this Statute for GRANDPARENTS' AND GRANDCHILDREN'S DAYAct 186 of 1985AN ACT to designate March 18 as grandparents' and grandchildren's day. History: 1985, Act 186, Eff. Mar. 31, 1986 © 2009 Legislative Council, State of MichiganThe People of the State of Michigan enact: DocumentTypeDescription Section 435.121SectionGrandparents' and grandchildren's day.