The story
From a Hallmark Cards advertising campaign.
Etymology from Wiktionary, CC BY-SA 4.0.
Hallmark moment
Today it means: A memorable moment or event, one which would either make for or call for a poignant greeting card. Full definition →
Today it means: A memorable moment or event, one which would either make for or call for a poignant greeting card. Full definition →
From a Hallmark Cards advertising campaign.
Etymology from Wiktionary, CC BY-SA 4.0.