Overview

• Peru, Mexico and other countries celebrate today despite the lack of any formal recognition or decree.
• The date stems from the 2014 #NationalBoyfriendDay trend in the U.S., with a major digital surge in 2016 that helped globalize it.
• Blue bouquets—linked to fidelity and trust—have become the signature gift, often met with dyed blooms as florists boost supply.
• Restaurants, florists and gift shops roll out targeted offers while TikTok and Instagram push the day’s hashtags.
• Pop-culture tie-ins include the Mean Girls Oct. 3 pink tradition, a Sept. 30 Hot Wheels gifting trend, and some regional date variations.