transversary

The date on which an embryo was transferred to a womb.

Happy Transversary to my daughter, created by IVF and implanted on this date one year ago!

transversary by Rainbowmomma August 29, 2019

Tranniversary 

When a trans person who is on HRT (hormone replacement therapy) celebrates their anniversary, similar to an alternative birthday, commemorating the first time they began physical transition processes.

“Celebrating my 4th tranniversary on Sunday, at the drag show will you be coming through?!”

“of course!”

Tranniversary by Miri July 11, 2022

Tranniversary 

An anniversary of a trans person coming out. (Combination of "trans" and "anniversary"

Friend: how long have you been out?
Me: 5 years tomorrow
Friend: nice, happy tranniversary

Tranniversary by amb2323 May 22, 2018

tranniversary 

The yearly anniversary of a transgendered person's first dose of hormones.

Hey, did you hear that Aiden's celebrating his ten year tranniversary by finally going to the water park?

tranniversary by drdearn August 15, 2010

transversal

(a line) that intersects a system of lines

That transversal line went through ten others.

transversal by Marcus Mathews March 7, 2016

tranceversary 

The Private Memorial Day or The Public Anniversary Of The Trance Music About Clubbing, Party Out, Listening For The First Time.

We Had A Fascinating Tranceversary Yesterday In Ibiza.

tranceversary by fairystock January 16, 2007

Thanoversary 

the date on which a negative event took place in a previous year.

"the 50th thanoversary of the start of World War II"

Thanoversary by RobN January 27, 2021