Not sure how sharing a candy bar makes you want to have a Prayer Day, but now it's in place in the Federated States of Micronesia, who has had a close tie with the US since World War II, and is very religious, although not as diverse as the US (Roman Catholic 50%, Protestant 47%, other 3%).
"[President] Mori explained he was inspired to create this day for FSM after attending the 2007 Annual Nat…