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National Windmill Day

Let's show the windmills some love on National Windmill Day - marvel at their beauty and appreciate their contribution to a sustainable future!

Saturday

May 2027

Last updated February 8, 2026 · by the Holiday Calendar Team

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YEARLY DATESecond Saturday in May

OBSERVED INUnited States

CATEGORYNature

SUBCATEGORYConservation

INTRO

Introduction

PHOTO

We're celebrating National Windmill Day on the Second Saturday in May! This day is dedicated to recognizing the importance of windmills and their contribution to our economy, environment, and culture. Windmills have been around for centuries, providing energy by harnessing the power of wind. Today, they are still an important source of renewable energy that helps to reduce our reliance on fossil fuels. So let's take a moment to appreciate these incredible machines and all that they do for us!

TIMELINE

National Windmill Day Timeline

Windmill’s Early Origins

Persians invent the earliest form of windmills, which were used for grinding corn and drawing up water.

Arrival in Europe

Windmills are introduced in Europe, specifically in the Netherlands and England where they are largely used for draining wetlands and grinding grains.

American Farm Windmill

The versatile American "Farm Windmill" is invented, contributing significantly to the making of the Great Plains into a major agricultural area.

Modern Wind Turbines

The oil crisis of the 1970s triggers an interest in renewable energy sources, leading to the development of modern wind turbines.

Nationaal Molenmuseum Opens

The Dutch National Windmill Museum (Nationaal Molenmuseum) opens its doors, preserving and showcasing the history of windmills in the Netherlands.

Growth in Wind Energy

Wind energy plays a key role in global renewable energy production, signifying the importance of wind turbines in a sustainable future.

GET INVOLVED

How to Celebrate National Windmill Day

Visit a windmill

Take a trip to a nearby windmill and celebrate the occasion. Learn about the history of windmills and how they are used today.

Go on a windmill tour

Find a local tour guide who can show you around some of the local windmills in your area. You'll get to learn about the history of each one and how it is used today.

MAKE

Make a paper windmill

This is an easy and creative way to celebrate National Windmill Day. All you need is colored paper, scissors, and glue to create your own paper windmill.

ATTEND

Attend a windmill festival

Check out local or regional windmill festivals that celebrate the occasion. There are usually educational activities, games, and events available.

FLY

Fly a kite

Go outside with a kite and take advantage of the windy weather to fly it as high as you can. This is a great way to celebrate National Windmill Day.

WHY THIS DAY MATTERS

Why National Windmill Day is Important

Wind mills provide energy security

Since they rely on nature rather than traditional sources of electricity, wind turbines can provide an important backup source of power during times when there is an energy shortage. Additionally, they reduce our reliance on imports from other countries, helping to maintain energy security even in places with limited natural resources.

Windmills promote sustainability

Windmills are an important alternative energy source that can help us reduce our dependence on fossil fuels and move towards a more sustainable future. They harness the power of the wind to produce clean, renewable electricity without releasing any harmful emissions or polluting the environment.

Windmills help create jobs

The installation and maintenance of wind turbines requires a lot of skilled labor, meaning that wind farms have the potential to create hundreds of jobs for local communities. This can help stimulate economic growth and provide employment opportunities for people in rural areas.

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