National Indiana Day2026 · Date · History
National Day Calendar lists its private National Indiana Day on November 16. Indiana law separately designates December 11 as Indiana Day for the statehood anniversary, while federal and Indiana DNR sources document statehood and Native histories. These identities are kept separate.
About National Indiana Day
National Indiana Day is a creator-defined observance in National Day Calendar’s National State Days series, observed on November 16.
It is separate from Indiana’s December 11, 1816 statehood/admission history and should not be presented as an official state-government holiday without separate legal authority.
Why National Indiana Day matters
The day can be used to explore Indiana’s communities, cultures, places and history while keeping the private calendar identity clear.
The region’s history includes enduring Native histories and communities; Indiana DNR material documents Miami, Shawnee, Illinois, Lenape and Potawatomi connections and forced-removal history.
History of National Indiana Day
National Day Calendar says it began the National State Days series in 2017 and schedules states through a staggered admission-order sequence with calendar exceptions.
The creator registry places National Indiana Day on November 16.
Federal historical sources record Indiana’s statehood/admission on December 11, 1816.
Indiana law separately designates December 11 as “Indiana Day” to commemorate statehood; that statutory observance is not National Day Calendar’s November 16 National Indiana Day.
How the observance developed
This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.
National Day Calendar
National Day Calendar identifies itself as creator of the National State Days series begun in 2017.
National Day Calendar
The creator attributes the private initiative to itself; no state-government establishing body is implied.
National Day Calendar
National Day Calendar continues to publish National Indiana Day on November 16.
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
5 fields not established in reviewed sources
Also known as
National Indiana Day
How to Observe National Indiana Day
Learn from Tribal/Native, museum, library, archive and other reputable institutions when exploring Indiana history.
Include Indigenous histories and living communities rather than starting the story at U.S. statehood.
Describe November 16 accurately as National Day Calendar’s private observance and keep official government commemorations on their own dates.
Use source-bounded language for contested or painful historical events and avoid tourism-only or stereotype-based summaries.
National Indiana Day Facts
National Indiana Day is observed on November 16 in National Day Calendar’s National State Days series.
National Day Calendar says it began the National State Days series in 2017.
Indiana entered the Union on December 11, 1816.
Indiana DNR history documents Native peoples of the region including the Miami, Shawnee, Illinois, Lenape and Potawatomi and records forced-removal histories.
The reviewed evidence supports a private creator-defined observance, not a statutory state-government holiday.
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
- Remembrance Civic Context Care.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
Indiana Department of Natural Resources — Native Americans
Indiana Historical Bureau — Special Days of Celebration / Indiana Day
U.S. Senate — Indiana state history
National Day Calendar — National Indiana Day
National Day Calendar — National State Days series history
Indiana Department of Natural Resources — Native Americans (opens in a new tab)
State Indigenous History
Indiana Historical Bureau — Special Days of Celebration / Indiana Day (opens in a new tab)
State Legal Commemoration
National Day Calendar — National Indiana Day (opens in a new tab)
Creator Observance Registry
Show 2 additional source references
U.S. Senate — Indiana state history (opens in a new tab)
Federal Legislative History
National Day Calendar — National State Days series history (opens in a new tab)
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is National Indiana Day?
16 November The documented recurrence rule is: 16 November under the National Day Calendar National State Days series..
Does National Indiana Day fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is National Indiana Day an official public holiday?
The reviewed sources verify it within this scope: United States / National Day Calendar National State Days series — Indiana. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.
Who established or recognizes National Indiana Day?
The reviewed sources identify National Day Calendar as the proclaiming or establishing body. Current facilitation or coordination is recorded as National Day Calendar.
Is National Indiana Day international or country-specific?
This observance is specific to United States. Its fuller verified scope is: United States / National Day Calendar National State Days series — Indiana.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-26.
When is National Indiana Day?
National Day Calendar places it on November 16.
Is that Indiana’s statehood anniversary?
No. Indiana’s statehood/admission date is December 11, 1816.
Who created the National State Days series?
National Day Calendar says it began the private series in 2017 and schedules states through a staggered admission-order sequence with calendar exceptions.
Is National Indiana Day an official state holiday?
The reviewed sources establish a private National Day Calendar observance. Any official Indiana commemoration is a separate legal or historical identity and date.
Other observances on November 16
These observances are also listed on November 16, 2026.
International Day for Tolerance
UNESCO 28 C/Resolution 5.61
International Day of the Mediterranean Diet
A/RES/80/174
National Black Marketers Day
Black Marketers Coalition first-party material announces creation of National Black Marketers Day and annual November 16 observance; the creator registry dates creation to September 2021.