Living far away, the mother of a boy who died suddenly four decades ago was unable to visit his grave on what would have been his 41st birthday. Heartbroken, she confided in her family that she wished someone could place flowers on his grave. Luckily, with the help of social media, her daughter made it happen. Pamela Lund, 75, a retired therapist from New South Wales, Australia, lost her son Mathew Owen Bird to sudden infant death syndrome (SIDS). Mathew was born on Oct. 8, 1980, and died on May 3, 1981. He was buried in Nowra—2 hours south of Sydney—where they lived and where Pamela’s late husband was stationed at the Naval base. Today, Pamela lives roughly 10 hours’ drive from Nowra in the small town of Woolgoolga and it has been years since she could visit Mathew’s grave. “On the day of my son’s 41st birthday, I posted …