Harvard Mark I

early American computer
Product electro_mechanical_computer Q776823
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Harvard Mark I

Summary

Harvard Mark I is an electro-mechanical computer[1]. It draws 771 Wikipedia views per month (electro_mechanical_computer category, ranking #3 of 10).[2]

Key Facts

  • Harvard Mark I is in the country of United States[3].
  • Harvard Mark I's instance of is recorded as electro-mechanical computer[4].
  • Harvard Mark I's instance of is recorded as one-of-a-kind computer[5].
  • Harvard Mark I's instance of is recorded as computer hardware[6].
  • Harvard Mark I is owned by Harvard University[7].
  • Harvard Mark I was followed by Harvard Mark II[8].
  • Harvard Mark I's manufacturer is recorded as IBM[9].
  • Harvard Mark I's designed by is recorded as Howard H. Aiken[10].
  • Harvard Mark I's Commons category is recorded as Harvard Mark I[11].
  • Harvard Mark I's service entry is recorded as August 7, 1944[12].
  • Harvard Mark I's native label is recorded as {'lang': 'en', 'text': 'Harvard Mark I'}[13].
  • Harvard Mark I's mass is recorded as {'unit': 'Q191118', 'amount': '+4.3'}[14].

Why It Matters

Harvard Mark I draws 771 Wikipedia views per month (electro_mechanical_computer category, ranking #3 of 10).[2] It has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[15] It is known by 15 alternative names across languages and contexts.[16]

It has been cited as an influence by Harvard Mark II[17], an electro-mechanical computer[18].

FAQs

Who did Harvard Mark I influence?

Harvard Mark I has been cited as an influence by Harvard Mark II[17].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Grace Hopper and the Invention of the Information Age. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Grace Hopper and the Invention of the Information Age. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [17] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [18] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] . Wikidata sitelinks. wikidata.org.
  3. [16] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Harvard Mark I. Retrieved May 3, 2026, from https://4ort.xyz/entity/harvard-mark-i
MLA “Harvard Mark I.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/harvard-mark-i.
BibTeX @misc{4ortxyz_harvard-mark-i_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Harvard Mark I}}, year = {2026}, url = {https://4ort.xyz/entity/harvard-mark-i}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Harvard Mark I — https://4ort.xyz/entity/harvard-mark-i (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/harvard-mark-i · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7d ago · Twofivesixbot bot · 2026-05-26 view diff on Wikidata ↗
    Manufacturer IBM
    Country
    Wolfram language entity code
    Manufacturer
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007553094805171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.