Loveland celebrates 75th anniversary of Valentine re-mailing program Loveland, Colorado celebrates 75 years of marking valentines with special postmark, poem in 2021 and proclaims, "COVID-19 is no match for love." Author: Melissa Reeves (9NEWS) Updated: 9:54 AM MST January 18, 2021 LOVELAND, Colo. — Loveland is celebrating being in the valentine game for more than 75 years in 2021 – the city's valentine re-mailing program receives more than 100,000 valentines every year, where volunteers mark them with a specially-designed stamp and love poem, then ship them off to their original destination. Also known as the nation's "Sweetheart City," Loveland's post offices and chamber of commerce receive valentines from all 50 states and 110 countries through the largest valentine program of its kind.