I read your post and can relate.
With this being the 2nd year, can I suggest- talking to him on how he views holidays and anniversaries. I read an article a few years ago about how couples should talk on these topics before getting too serious.
Some people don't care, some do- all is ok as long as each other have understanding and love is shown in other ways. Everyone has their own relationships.

I also read an article that every couple has ( and should have) disagreement with a topic in life - (like I like a certain band that my ex hates, but I still listened to them and he loved me anyways).

I bring that up because- there's nothing "wrong with you for wanting to cerebrate" a holiday, anniversaries, etc
But also to ask yourself, is it a deal breaker if he doesn't want to cerebrate?

This doesn't mean he doesn't have to show intimacy in other ways beside "some d*ck"..

I believe we all do need our partners to show that they care, relationships are a two way street.. but then again I got my own hang ups-- your post, I get why it's upsetting, and myself been upset to see others get flowers, while I'm told"yeah sorry but I love you"...

In my case I had so much issues talking effectively with him on the subject, I wish I knew more about DBT at the time to be honest.
I hope this reaches you well and that you find what you need.