texts: We sing " Happy Birthday " at the party and have birthday cakes . </s> <s> Do you know when people began to sing the song " Happy Birthday " ? </s> <s> Well , I don't know .
labels: Let me tell you the story.In 1892 , Patty Smith Hill and Mildred Hill wrote a song called " Good Morning to you " . But later someone added the words " Happy Birthday " to their tune .