Harvard 400 atlas
Historical event · 1638

First Printing Press in British America (1638)

A printing press was operating in Cambridge by 1638, the first in England's American colonies, placing early printed culture beside the young college.

Why it matters

This record dates to 1638. Its public description and date are retained only where the cited evidence and review state meet the shared publication standard.

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What this meant before

Date
1638
Public connections
2
Sources
2

In the public graph 2 typed relationships

Explore First Printing Press in British America (1638) in the interactive Graph Explorer →

Nearby what sits within a few minutes’ walk

Historical context

An unexpected connection

First Printing Press in British America (1638) is linked, through the graph, to Cambridge city, 9 min walk away. The kind of thread you only find by following the connections.

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One identity, 4 editorial lenses one canonical entity URL

Cambridge400.comGuideToCambridge.comGuideToHarvard.comHarvard400.com · you are here

How we know graph confidence — we explain our certainty, not just assert it

87
High confidence
How this is scored →
Source qualityBest source is primary / institutional
Independent corroboration2 resolvable sources across 2 tiers
Review stateReview attributed to durjoy-ace-local-history-editor
Institutional backingCites a primary or institutional source
Record completeness80% of canonical fields present
Sources, by tier
Harvard University Primary / institutional
Review date: 2026-08-23
Graph scores — our north star is relationship density, not page count
Relationship density25
2 connections
Record coverage66
metadata completeness
Graph authority64
centrality + reach + trust
Schema.org JSON-LD — what answer engines read
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