National Wisconsin Day2026 · Date · History
National Day Calendar lists the private National Wisconsin Day on February 15; U.S. Senate records statehood on May 29, 1848. A Wisconsin gubernatorial proclamation dated January 27, 2026 later recognized February 15, 2026 as National Wisconsin Day, while state sources separately affirm sovereignty of 11 federally recognized Tribal governments.
About National Wisconsin Day
National Wisconsin Day is a private observance in National Day Calendar’s National State Days series, observed on February 15.
It is separate from the statehood/admission anniversary of May 29, 1848 and should not be presented as a government-created holiday unless a separate official instrument is specifically cited.
Why National Wisconsin Day matters
In interpreting National Wisconsin Day, the day can be used to explore the state’s communities, places, cultures and history while keeping the private calendar identity clear.
Wisconsin government affirms government-to-government relations with 11 federally recognized Tribal governments; those sovereign governments are present-day civic institutions.
History of National Wisconsin Day
National Day Calendar lists National Wisconsin Day on February 15 and documents the National State Days series as a private calendar project that began rolling out in 2017.
Federal historical sources record the statehood/admission date as May 29, 1848.
For National Wisconsin Day, the private National Day Calendar date and the statehood/admission anniversary are separate identities and should not be merged.
Wisconsin Governor Tony Evers issued a proclamation dated January 27, 2026 recognizing February 15, 2026 as National Wisconsin Day throughout the state.
That 2026 proclamation is later government recognition of the same-name observance; it does not replace the private National Day Calendar origin or turn the 2026 proclamation into the historical creation date.
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 documents the National State Days series as its private observance project.
National Day Calendar
The private National Wisconsin Day identity is creator-defined; state government is not asserted as the original establishing body.
Proclaimed February 15, 2026 as National Wisconsin Day throughout Wisconsin, providing later state recognition of the same-name private observance.
Governor of Wisconsin · 2026 National Wisconsin Day proclamation
National Day Calendar
National Day Calendar continues to publish National Wisconsin Day on February 15.
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
Later institutional actions
Later recognition, renaming, mergers or date changes are kept separate from original establishment.
Also known as
National Wisconsin Day
How to Observe National Wisconsin Day
When learning about National Wisconsin Day, explore state and local history through Tribal, government, museum, library and archive sources.
When learning about National Wisconsin Day, include Indigenous histories and living Tribal/Native governments rather than beginning the story at U.S. statehood.
When learning about National Wisconsin Day, describe the private calendar observance accurately and keep statehood or official legal observances under their own names and dates.
When learning about National Wisconsin Day, use source-bounded language for contested or painful historical events and avoid stereotypes.
National Wisconsin Day Facts
National Day Calendar places National Wisconsin Day on February 15.
National Wisconsin Day appears in the National Day Calendar state-day series, which the publisher says began in 2017.
The statehood/admission date is May 29, 1848.
For National Wisconsin Day, Wisconsin government affirms government-to-government relations with 11 federally recognized Tribal governments; those sovereign governments are present-day civic institutions.
A Wisconsin gubernatorial proclamation dated January 27, 2026 recognized February 15, 2026 as National Wisconsin Day.
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.
U.S. Senate — Wisconsin state history
Wisconsin Department of Administration — State-Tribal Relations
Wisconsin Governor Tony Evers — 2026 National Wisconsin Day proclamation
National Day Calendar — National Wisconsin Day (opens in a new tab)
Creator Observance Registry
U.S. Senate — Wisconsin state history (opens in a new tab)
Federal Legislative History
Wisconsin Department of Administration — State-Tribal Relations (opens in a new tab)
State Government Tribal Context
Wisconsin Governor — 2026 National Wisconsin Day proclamation (opens in a new tab)
State Government Proclamation
Wisconsin Governor — 2026 proclamations index (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 Wisconsin Day?
15 February The documented recurrence rule is: 15 February under the National Day Calendar National State Days series..
Does National Wisconsin Day fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is National Wisconsin Day an official public holiday?
The reviewed sources verify it within this scope: United States / National Day Calendar National State Days series — Wisconsin. 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 Wisconsin 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 Wisconsin 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 — Wisconsin.
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 Wisconsin Day?
National Day Calendar places the private observance on February 15.
Is that the statehood anniversary?
No. The statehood/admission date is May 29, 1848.
Is National Wisconsin Day a government-created holiday?
The reviewed origin evidence supports a private National Day Calendar observance. Any later government recognition or similarly named legal observance must be treated separately.
How should Indigenous history be handled?
Use current Tribal/government sources and describe living sovereign or recognized communities as present-day governments and peoples, not only as historical background.
Has Wisconsin government recognized National Wisconsin Day?
Yes. A 2026 gubernatorial proclamation recognized February 15, 2026 as National Wisconsin Day. This is modeled as later recognition, not the private observance’s original creation.
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