We’re constantly told, “Celebrate diversity!” You don’t have to nag people to celebrate something that is good. People just naturally celebrate it.
I use this as a bumper sticker.
You know when that started to be pushed real hard and became the new mantra? Shortly after the 1965 Immigration Act(Teddy had his hands in on that one too) which dramatically changed the demographic and country of origin selection process. Slowly at first but by the 1970's it was everywhere.