If you're wanting to discuss a particular year, you might have noticed that number-only hashtags don't work on here.
To get round this, a lot of people use the word "year" before the number, for example #Year2024 or #Year2025
(By the way, there is a discussion about this issue on Mastodon's Github page at github.com/mastodon/mastodon/i…)
Numeric hashtags are not possible · Issue #9709 · mastodon/mastodon
Writing #2019 in a toot does not result in a hashtag being created, although some clients render it like it was (don't get fooled when trying). From a federalized ActivityPub instance that can crea...GitHub