Anniversary
An anniversary is a time that is an exact number of days, months, years, etc, since an event occurred. Notable anniversaries include birthdays, holidays, and weddings.

Events 
On April 12, 2152, T'Pol noted the first anniversary of her assignment to . ()

Later that year, a couple from Vega Reticuli vacationed on Risa while celebrating their three-hundredth wedding anniversary. ()

In 2346, the Bajoran Resistance destroyed an orbital drydock on the one-month anniversary of Dukat's command of Terok Nor. ()

In 2365, Worf marked the tenth anniversary of his Age of Ascension. ()

In 2370, Benjamin Sisko had difficulty around the fourth anniversary of his wife's death at the Battle of Wolf 359. ()

Later that same year, after transporting away Jason Vigo from the  using a subspace transporter, under the ruse that Vigo was Jean-Luc Picard's son, Bok sent Picard a message stating "This is a very special day, Picard. Fifteen years ago you took my son away from me. Today, I will take your son away from you. It will be our anniversary. I wanted you to see him one last time." ()

In 2372, Chakotay commemorated the anniversary of his father Kolopak's death. ()

Later that year, the Bajorans celebrated Ha'mara, an event to mark the anniversary of the Emissary's arrival. ()

One Saturday in late 2374 was the one-month anniversary of Odo's first date with Major Kira Nerys. The following day was the one-month anniversary of their first kiss. ()

In 2375, Tom Paris celebrated the second anniversary of his first date with B'Elanna Torres. ()

In 2378, the  crew commemorated the 315th anniversary of First Contact Day. ()

In an alternate timeline in 2404, the tenth anniversary of the USS Voyagers return to the Alpha Quadrant after twenty-three years in the Delta Quadrant was observed in San Francisco. ()

Notable anniversary holidays  
 First Contact Day (First Contact)
 Ha'mara (The coming of the Bajoran Emissary of the Prophets - Benjamin Sisko)

Appendices

See also

Apocrypha
In 2007, on the 50th anniversary of the space age, the most comprehensive encyclopedia of space exploration is published. (Star Trek Spaceflight Chronology)

In 2019, on the 50th anniversary of the first manned mission to the moon, all six original Apollo landing sites become historic landmarks. (Star Trek Spaceflight Chronology)

In 2069, the 100th anniversary of man on the moon is celebrated at the museum built on the site of the first landing. (Star Trek Spaceflight Chronology)

In 2271, Humans mark the Apollo Tricentennial. (A Flag Full of Stars)

Shortly after the V'ger incident, Zeta-Atez marked the 50th anniversary of its Federation membership. (Heads of State)

In 2365, Lord Ruer Stross, the dictator of Thiopa, planned for his anniversary feast. (Power Hungry)

External links

 
Celebrations