May The Fourth Be With You
When did it all begin…."The reference was first used on May 4, 1979, the day Margaret Thatcher took office as Prime Minister of the United Kingdom. An online news article from the Danish public broadcaster says her political party, the Conservatives, placed a congratulatory advertisement in a paper mis-named The London Evening News, saying "May the Fourth Be with You, Maggie. Congratulations.
In 2011, the first organized celebration of Star Wars Day took place in Toronto, Ontario, Canada at the Toronto Underground Cinema. Produced by Sean Ward and Alice Quinn, festivities included an Original Trilogy Trivia Game Show; a costume contest with celebrity judges; and the web's best tribute films, mash-ups, parodies, and remixes on the big screen.
Since 2013, Disney Parks have celebrated the holiday with several Star Wars events and festivities. The Walt Disney Company had purchased Lucasfilm including the rights to Star Wars in late 2012." [1]