nationalhistoryday.org

NationalHistoryDay.org Site is about education organization.

History, History Education, National History Day, NHD, History Day, Social Studies, Standards, Education, Constitution, Bill of Rights, Contest, Democracy, World History, American History, Military History, America, Exhibit, Documentary, Performance, Assessment, Curriculum, Student Learning, Student Based Learning, Authentic Assesment, Historical, NCHE, Williamsburg, History Channel, NCSS, University of Maryland, Case Western Reserve University, David Van Tassell, NEH, kids, fun

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Authority

—/100

Safety

89/100

Registered

Mar 2, 1999

27 years old · Network Solutions, LLC

0 of 2 safety checks passed (Sep 16, 2026).

AboutUs has not vetted this site. 2 of 2 automated safety checks did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.

Current facts

Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.

Authority & Safety, with the evidence

How this is scored →

Authority: not enough signals yetSome caution flags

Why we're not scoring this yet

We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 29 days ago); 3/3 transport and email checks available (oldest recorded about 29 days ago). This is evidence coverage, not a probability that a website is safe.

Recorded HTTPS check did not confirm a valid connection
No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

1999
Domain registered (Mar 2, 1999).
2026
Checked today — 0 of 2 safety checks passed (Sep 16, 2026).

✓ domain continuity 27 years registered✓ live verified Sep 16, 2026

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