About This Trend
Happy Birthday Mr. President is a phrase and song made famous by Marilyn Monroe when she sang it to John F. Kennedy at a Democratic rally in 1962. It refers to a song and event used to celebrate the birthday of the President of the United States.
The phrase is trending due to the current birthday of Donald Trump, with many people wishing him a happy birthday on social media, and some using the occasion to post satirical content or references to the historic event where Marilyn Monroe sang the song to John F. Kennedy.