#50anniversary

Live, measured metrics for the hashtag #50anniversary from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #50anniversary

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$5.00/ year · 13-character #name
Claim #50anniversary — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
4
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 4
0.3
Avg reactions / post
Mastodon · last 4
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-08-12 16:03 UTC
0
08-06
0
08-07
0
08-08
0
08-09
0
08-10
0
08-11
0
08-12

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-08-12 16:03 UTC
#NFID50thAnniversary
0 uses · 0 accounts / 7d
#50th_anniversary
0 uses · 0 accounts / 7d
#Roe_v_wade_50th_anniversary
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-12 16:03 UTC

Everything below is measured over the latest 4 public posts (spanning ~9795 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (4)

Avg boosts / post: 2.3

Top of the latest posts

  • The Last Arecibo Message https://phl.upr.edu/message/ #AreciboMessage #50Anniversary #InterstellarCommunication #Technosignatures #SETI #METI #Extraterrestrial

    Prof. Abel Mendez@[email protected]♥ 1↻ 32024-11-14 16:51 UTCView post →

  • https://www.youtube.com/watch?v=bRdM6B2Uoto #PinkFloyd #WishYouWereHere #50anniversary

    JProl 🌍🎶💾🆓🐦🏳️‍🌈 🏴‍☠️@[email protected]♥ 0↻ 02025-12-27 19:36 UTCView post →

  • Latest addition to the #recordcollection #rush #50anniversary #superdeluxe #cdversion #vinylrecords #neilpeart #alexlifeson #geddylee

    Chris Brumwell@[email protected]♥ 0↻ 02025-03-22 16:39 UTCView post →

What “50anniversary” means

Wiktionary · Wikipedia

anniversary/ˌænɪˈvɜːs(ə)ɹi/

  • nounA day that is an exact number of years (to the day) since a given significant event occurred. Often preceded by an ordinal number indicating the number of years.
Full entry on Wiktionary →

An anniversary is the date on which an event took place or an institution was founded.

“Anniversary” on Wikipedia (CC BY-SA) →

#50anniversary across platforms

every network with a public tag surface

Follow #50anniversary straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/50anniversary