Happy Grandparents Day 2019 Wishes: They say yes, when parents say no! National Grandparents Day 2019 is the perfect time to shower your love and respect to the grandparents. Send these Happy Grandparents Day 2019 wishes, messages, SMS templates and GIF images to wish your grandpa and grandma. Tell them why they mean the world to you with these National Grandparents Day messages and greetings. The collection of Grandparents Day wishes are absolutely best to express your affection towards grandpa and grandma.