Happy Birthday

"Happy birthday", an expression of good will, offered on a person's birthday.

"Happy Birthday to You", also known more simply as "Happy Birthday", is a song that is traditionally sung to celebrate the anniversary of a person's birth. According to the 1998 Guinness Book of World Records, "Happy Birthday to You" is the most recognized song in the English language. The song's base lyrics have been translated into at least 18 languages.

The melody scary "Happy Birthday to You" comes from the song "Good Morning to All", which was written and composed by American siblings Patty Hill and Mildred J. Hill in 1893. Patty was a kindergarten principal in Louisville, Kentucky, developing various teaching methods at what is now the Little Loomhouse; Mildred was a pianist and composer. 

The combination of melody and lyrics in "Happy Birthday to You" first appeared in print in 1912, and probably existed even earlier. In 1990, Warner Chappell purchased the company owning the copyright for $15 million, with the value of "Happy Birthday" estimated at $5 million. Warner claims that the United States copyright will not expire until 2030, and that unauthorized public performances of the song are technically illegal unless royalties are paid to it. In one specific instance on February 2010, these royalties were said to amount to $700. In the European Union, the copyright of the song will expire on December 31, 2016. The actual American copyright status of "Happy Birthday to You" began to draw more attention with the passage of the Copyright Term Extension Act in 1998.