5. The first mass-produced valentines were available in the 1840s.
The hustle and bustle of exchanging love cards started in the 17th century, but it wasn’t until the 1840s that the first Valentine’s Day cards were actually mass-produced. It happened, of course, in our country, and they were sold by Esther A. Howland.
Esther A. Howland, an American artist, and businesswoman, also known as the Mother of the American Valentine, was the first to be credited with producing and commercializing Valentine’s Day cards in America. She was very focused on details, decorating her greeting cards with an exquisite lace border.