#centennial

Live, measured metrics for the hashtag #centennial 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 #centennial

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.

$23.52/ year · 10-character #name
Claim #centennial — $23.52/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
2
Uses / 7 days
Mastodon
2
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.6
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-26 23:26 UTC
2
09-20
0
09-21
0
09-22
0
09-23
0
09-24
0
09-25
0
09-26

2 uses by 2 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-09-26 23:26 UTC

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-26 23:26 UTC

Everything below is measured over the latest 40 public posts (spanning ~18522 hours).

Posting hours (UTC) — busiest: 14:00

00:0012:0023:00

Languages: English (32) · Spanish (5) · French (1)

Avg boosts / post: 0.5

Top of the latest posts

  • There were amputation methods used in the late 1700s but uh… that’s not definitely not the one you pick if you have any semblance of choice #WestWed #Centennial

    Dr. Dani Sanchez@analgesicsleep♥ 3↻ 02026-05-14 03:16 UTCView post →
  • @klu9 @JanineFromPgh @MatthewTitus88 same. Never knew any of this existed until then #WestWed #Centennial

    Dr. Dani Sanchez@analgesicsleep♥ 3↻ 02026-05-14 02:29 UTCView post →
  • Photo of the Day 24th January 2026. […] https://mancavgeek.co.uk/2026/01/24/photo-of-the-day-24th-january-2026/

    Manc AvGeek@[email protected]♥ 3↻ 12026-01-24 09:40 UTCView post →

What “centennial” means

Wiktionary · Wikipedia

centennial/sɛnˈtɛnɪəl/

  • nounThe hundredth anniversary of an event or happening.
  • adjectiveRelating to, or associated with, the commemoration of an event that happened a hundred years before.
Full entry on Wiktionary →

A centennial, or centenary in British English, is a 100th anniversary or otherwise relates to a century.

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

#centennial across platforms

every network with a public tag surface

Follow #centennial 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.

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/centennial