Birthday

From Memory Alpha, the free Star Trek reference.

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A Birthday cake

A birthday is the anniversary of the day of an individual's birth. Humans particularly enjoy celebrating birthdays, typically with a birthday party.

On September 2nd, 2151, Malcolm Reed celebrated a birthday. His parents told Captain Archer that they hadn't seen him on his birthday for "quite a few years". Archer ordered Hoshi Sato to find out what Malcolm's favourite food was so they could have a birthday meal. Hoshi later found out from Doctor Phlox that it was pineapple, and the crew surprised him with a pineapple birthday cake. (ENT: "Silent Enemy")

On March 22nd, 2285, James T. Kirk reluctantly celebrated his 52nd birthday when his close friend Dr. Leonard McCoy gave him a pair of 18th century eyeglasses. He would later pawn these in 1986 San Francisco. When Spock asked, "Excuse me, weren't those a birthday present from Doctor McCoy?" Kirk replied, "And they will be again, that's the beauty of it." (Star Trek II: The Wrath of Khan; Star Trek IV: The Voyage Home)

Marc Brooks died five months before his 38th birthday, which would have been around stardate 44356.9 in the year 2367. (TNG: "The Loss")

Ensign Quintana's birthday in 2371 was around stardate 48423.2. Kira Nerys gave him a free hour in the holosuite as a birthday present. (DS9: "Meridian")

Doctor Julian Bashir considered his 30th birthday in 2371 a major turning point in his life, although the Human lifespan by then was so long that he was still in the first part of his life. (DS9: "Distant Voices")

For Kes' second birthday in 2371, the USS Voyager crew threw a surprise party for her. They explained the event (Kes found it exhilarating) and instructed her on the Earth tradition of making a wish and blowing out candles. Neelix made a seven layer Jimbalian fudge cake with l'maki nut icing and punch. Tom Paris replicated a locket as a gift. (VOY: "Twisted")

When Rom and the employees of Quark's gathered to strike in 2372, Quark mentioned that if they were having a party for him, his birthday was last month. (DS9: "Bar Association")

Keiko O'Brien prepared a surprise birthday party for her husband Miles in 2373, but during the party she actually was possessed by a pah-wraith. For the party she prepared q'parol, which was a big success. (DS9: "The Assignment")

In an alternate timeline created by the Krenim weapon ship, Commander Chakotay gave Captain Janeway a pocket watch for her birthday. (VOY: "Year of Hell")

In 2376, Janeway had to search the databanks for hours on end, but eventually found Lieutenant Commander Tuvok's birthday, and replicated him a cake with a candle on it. He claimed that this was a Human tradition, and Vulcans do not "blow out candles." In the end, he blew it out, claiming that "it was a fire hazard." (VOY: "Fury")