Assuming you already watched Whom Gods Destroy (discussed here), you know what happens to Captain Garth of Izar. What were his exploits, what was so important that Captain Kirk studied him at the Academy? Find out in Prelude to Axanar, a "documentary".
CBS and Paramount are working to ensure the feature length film Axanar never gets made. Their newly-released fan film guidelines were created specifically to stifle Axanar, and the lawsuits are still in effect.
The only hashtag I've ever used: #IStandWithAxanar