1. It started with pamphlets in the 70s.
2. In 1984 few dairies began to include the pamphlet in their milk carton.
3. Some claim Etan Patz was the first milk carton missing child.
4. May 25th is Missing Children’s Day, it was established in 1983 on the anniversary of Etan Patz’s disappearance.
5. Milk cartons were not the only place missing children appeared.
Missing children appeared on pizza boxes, grocery bags, and junk mail envelopes alongside the question, "Have you seen me?"