Perhaps on August 16, 1947, in a certain school, a young student discovered a new passion for art. He or she might have been inspired by a visiting artist and from that day on, decided to pursue a career in art. This could be a possible true story as there were surely many personal growth and discovery stories happening around that time.
I don't have enough information to tell a specific true story about that date. It could be that in some small town, a family was celebrating a special anniversary. Maybe it was their 50th wedding anniversary and they had a big party with the whole community joining in.