Star Wars Day 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 "The London Evening News", saying "May the Fourth Be with You, Maggie. Congratulations." The saying was used in a UK Parliament defence debate on May 4, 1994. Astrophysicist and author Jeanne Cavelos used the saying on page 94 of her 1999 book "The Science of Star Wars". In 2008, the first Facebook groups appeared, celebrating "Luke Skywalker Day," with the same catchphrase. While
Star Wars Pez to the Geico chameleon." The Clayton Historical Museum, in Clayton, California opened a new exhibit on the history of candy manufacture in January 2012 that featured these confectionery dispensers. Pez with "Star Wars" characters have been featured prominently in the Star Wars Museum in Maryland. The "Star Wars" Pez dispensers are pictured on a fan website, which describes them as "some Candy Heads from 1980". The Pacific Science Center sold Pez at a popular exhibit about "Star Wars". These branded dispensers are among the "top sellers" at the gift shop at the Burlingame Museum of PEZ Memorabilia, outside San Francisco.