"Happy Birthday to You" originated from the 1893 song "Good Morning to All" by Patty and Mildred Hill, which was later adapted into the popular birthday tune, say. It is officially in the public domain now, having formerly been under strict copyright, and is widely considered the most sung song in the English language, note.

Happy_birthday_song_happy_birthday_to_you Guide

"Happy Birthday to You" originated from the 1893 song "Good Morning to All" by Patty and Mildred Hill, which was later adapted into the popular birthday tune, say. It is officially in the public domain now, having formerly been under strict copyright, and is widely considered the most sung song in the English language, note.