# Union Pacific Corporation founding date

entity: /record/union-pacific.md  
predicate: founded  
page: /record/union-pacific/founded  
as_of: 2026-11-11  
cite: AsOf. "Union Pacific Corporation founded: 1862-07-01", as of 1862-07-01. Claim clm_D6C7A2E0A134, https://asof.is/claim/clm_D6C7A2E0A134, accessed 2026-11-11. Source: https://www.up.com/heritage/history/index.htm.  

As of November 11, 2026, Union Pacific Corporation's founding date on the AsOf record is July 1, 1862, dated July 1, 1862, from a primary source (up.com).

1 claim on Union Pacific Corporation's founding date, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founding date

What the record asserts on 2026-11-11.

- [Union Pacific Corporation](/record/union-pacific.md) | founded | 1862-07-01 | valid 1862-07-01 to present | conf 0.95 | valid | [clm_D6C7A2E0A134](/claim/clm_D6C7A2E0A134.md)
  sources: https://www.up.com/heritage/history/index.htm

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Union Pacific Corporation](/record/union-pacific.md) | founded | 1862-07-01 | valid 1862-07-01 to present | conf 0.95 | valid | [clm_D6C7A2E0A134](/claim/clm_D6C7A2E0A134.md)
  sources: https://www.up.com/heritage/history/index.htm

## Questions this record answers

### What is Union Pacific Corporation's current founding date?

July 1, 1862, dated July 1, 1862, from a primary source (up.com). The record asserts this claim as of November 11, 2026 (status valid, confidence 0.95).


## Read on

- This page: /record/union-pacific/founded (markdown: /record/union-pacific/founded.md)
- Entity twin: /record/union-pacific.md · timeline: /timelines/union-pacific.md
- Every company's founding date: /facts/founded.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.