#olavshallen
Live, measured metrics for the hashtag #olavshallen from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #olavshallen
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Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-25 19:04 UTCNo measured public usage for #olavshallen in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-25 19:04 UTCNo related tags with measured usage found for #olavshallen.
Live pulse
measured · Mastodon tag timeline · fetched 2026-09-25 19:04 UTCNo recent public posts found for #olavshallen on Mastodon. Nothing measured, so nothing shown.
What “olavshallen” means
WikipediaOlavshallen was built in 1989 as a concert hall and is named after a historical tradition in Trondheim, Norway, the St. Olav tradition. The foundation stone was laid by HM King Olav V 22 July 1988. Olavshallen opened for its first concert 17 September 1989 with jazz pianist Oscar Peterson and the official opening was held on 21 September.
“Olavshallen Concert Hall” on Wikipedia (CC BY-SA) →#olavshallen across platforms
every network with a public tag surfaceFollow #olavshallen 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/olavshallen