AsOf

Pfizer · founded1849

unverified: One source so far: shown on the record, not asserted, until a second source or a primary one confirms it.

What the statuses mean

Unverified: one source, not a primary one. Asserted once a primary source or a second independent domain confirms it.

Valid from
1849-01-01
Valid until
still holds
Published
no source on record carries a date
Recorded by AsOf
2026-11-11
Checked
2026-11-11 · its source page states the value and the date
Confidence
0.60

Sources

“Founded in 1849 by German immigrants Charles Pfizer and Charles Erhart in Brooklyn, New York”— what the page says, read 2026-11-11

Cite this claim

Each form names the value, its as-of date (1849-01-01), the day you read it (2026-11-12), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text
AsOf. "Pfizer founded: 1849", as of 1849-01-01. Claim clm_59DB9FD61BB7, https://asof.is/claim/clm_59DB9FD61BB7, accessed 2026-11-12. Source: https://www.ebsco.com/research-starters/business-and-management/pfizer/.
APA
AsOf. (1849). Pfizer founded: 1849 (as of 1849-01-01) [Record clm_59DB9FD61BB7]. Retrieved November 12, 2026, from https://asof.is/claim/clm_59DB9FD61BB7 (source: https://www.ebsco.com/research-starters/business-and-management/pfizer/)
BibTeX
@misc{asof_clm_59DB9FD61BB7,
  author = {AsOf},
  title = {Pfizer founded: 1849},
  year = {1849},
  howpublished = {\url{https://asof.is/claim/clm_59DB9FD61BB7}},
  note = {Claim clm\_59DB9FD61BB7, as of 1849-01-01; source: https://www.ebsco.com/research-starters/business-and-management/pfizer/},
  urldate = {2026-11-12}
}

On the record

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