Home › Entities › electro_mechanical_computer › Harvard Mark II

Harvard Mark II

electromechanical computer at Harvard University, completed in 1947
Product electro_mechanical_computer Q3128018
Press Enter · cited answer in seconds

Harvard Mark II

Summary

Harvard Mark II is an electro-mechanical computer[1]. It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Harvard Mark II was influenced by Harvard Mark I[3].
  • Harvard Mark II's instance of is recorded as electro-mechanical computer[4].
  • Harvard Mark II's instance of is recorded as one-of-a-kind computer[5].
  • Harvard Mark II followed Harvard Mark I[6].
  • Harvard Mark II's designed by is recorded as Howard H. Aiken[7].

Why It Matters

Harvard Mark II has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

It has been cited as an influence by BARK[8], an electro-mechanical computer[9].

FAQs

Who did Harvard Mark II influence?

Harvard Mark II has been cited as an influence by BARK[8].

Related Entities

Grace Hopper Harvard Mark I Howard H. Aiken

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [3] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [8] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [9] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. 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 II. Retrieved May 3, 2026, from https://4ort.xyz/entity/harvard-mark-ii
MLA “Harvard Mark II.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/harvard-mark-ii.
BibTeX @misc{4ortxyz_harvard-mark-ii_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Harvard Mark II}}, year = {2026}, url = {https://4ort.xyz/entity/harvard-mark-ii}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Harvard Mark II — https://4ort.xyz/entity/harvard-mark-ii (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/harvard-mark-ii · 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. 5w ago · HelloImSteven · 2026-06-09 view diff on Wikidata ↗
    Instance of → electro-mechanical computer, one-of-a-kind computer
    Follows → —
    Designed by → Howard H. Aiken
    Instance of → —
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P12946]]: Harvard+Mark+II+Machine, import FOLDOC ID ([[:toollabs:editgroups/b/wikibase-cli/4a1600b576016/|details]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.