Fans celebrate Star Wars Day

A member of the Star Wars Fan Club dressed as Princess Leia, joined by bounty hunter Boba Fett, celebrate "Star Wars Day" in front of the Colosseum in central Rome, May 4, 2014.

A play on the phrase "May the Force be with you," May the 4th has become a holiday for fans of the "Star Wars" saga around the world.

The Emperor Has Arrived

Members of the Star Wars Fan Club celebrate "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

Parade

Members of the Star Wars Fan Club celebrate "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

Royal Guards

Members of the Star Wars Fan Club celebrate "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

Member of the Sith

A member of the Star Wars Fan Club dressed as Darth Sidious takes part in "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

Veteran of the Clone Wars

A member of the Star Wars Fan Club dressed as Aayla Secura celebrates "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

Jedi Master

A man dressed as Yoda takes part in "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

When In Rome ...

Member of the Star Wars Fan Club celebrate "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

Group Portrait

Members of the Star Wars Fan Club celebrate "Star Wars Day" in front of the Colosseum in central Rome on May 4, 2014.

Thailand

Pornchai Kittiwongsakul/AFP/Getty Images

Darth Vader (a.k.a. a member of the Star Wars Fan Club in Thailand) parades with others to celebrate "Star Wars Day" at a shopping mall in Bangkok on May 4, 2014. Members of the club dressed up in costume to parade around and raise funds for an orphanage.

Thailand

Udomsak Ratanotayo, left, and Suttinan Boonsomkiat wear "Star Wars" stormtrooper costumes while donating blood at the Thai Red Cross in Bangkok, Thailand on Monday, April 28, 2014. Thai Star Wars fans donated blood and gave toys at an orphanage.

Only Imperial Stormtroopers Are So Precise

Fans pose as Stormtroopers from "Star Wars" on May 3, 2014, during a parade on the last day of the first international meeting of Star Wars fans in Tozeur, southern Tunisia.

Argentina

Runners pose with a man dressed as a stormtrooper from "Star Wars" before the Star Wars Run race ahead of Star Wars Day, in Buenos Aires on May 3, 2014.

Darth On The Run

A man dressed as Darth Vader runs with a light saber as he takes part in the Star Wars Run race, ahead of Star Wars Day, in Buenos Aires May 3, 2014.

Argentina

A woman wears a Yoda mask on the back of her head as she takes pictures of a show before the Star Wars Run race ahead of Star Wars Day, in Buenos Aires May 3, 2014.

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