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World Cities Day

Join us in celebrating World Cities Day and recognize the importance of urban development around the globe!

Saturday

October 2026

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEOctober 31

OBSERVED INInternationally

CATEGORYAwareness

SUBCATEGORYSocial Justice

INTRO

Introduction

PHOTO

Mark your calendars for World Cities Day on October 31! This day was first established in 2013 by the United Nations to recognize the important role cities play in global development and sustainability. Cities are home to over half of the world population, making them vital centers of culture, innovation, and growth. On World Cities Day, we celebrate the diversity of cultures that make cities so vibrant and unique. From historic landmarks to modern skyscrapers, cities offer something special for everyone. Let's come together to honor our cities on this day!

TIMELINE

World Cities Day Timeline

Establishment of World Cities Day

The United Nations designates October 31 as World Cities Day, highlighting the importance of urban development and green spaces.

First World Cities Day Celebration

The inaugural year saw a worldwide acknowledgement of the important role cities play in nurturing cultures, fostering innovation, and inspiring change.

Quito Declaration on Sustainable Cities

On World Cities Day, the Quito Declaration emphasizes the link between urbanization and development, setting new standards for sustainable growth.

Inclusive Cities, Shared Development

World Cities Day 2018 promotes inclusivity and shared prosperity in urban areas, emphasizing the power of collective strength in city evolution.

Resilient Future, Stronger Cities

In the light of the global pandemic, World Cities Day focuses on creating resilient cities capable of facing future challenges.

GET INVOLVED

How to Celebrate World Cities Day

Visit a new city

Explore a city you've never been to before and discover what makes it special. You might be surprised by the unique culture, architecture, and food that each city has to offer.

LEARN

Learn about the history of different cities

Take some time to research the history of different cities around the world. Learn about the people who have lived in them, the events that have taken place, and how they have evolved over time.

ENJOY

Enjoy a city tour

Take a guided tour of your city or a nearby city and learn about its attractions and landmarks. You might even find some hidden gems you didn't know existed.

EXPERIENCE

Experience local cuisine

Each city has its own unique cuisine that is worth exploring. Try out local restaurants and explore their menus to discover unique dishes you can't find anywhere else.

READ

Read books about cities

Read books about different cities around the world to gain insight into their cultures, history, and inhabitants. You'll soon be an expert on many different cities.

WHY THIS DAY MATTERS

Why World Cities Day is Important

It promotes collaborative action

One of the most important aspects of World Cities Day is its ability to bring together people from all backgrounds who share a common goal: creating a better future for our cities. By exchanging knowledge and resources through workshops, meetings, conferences and more, we can make sure our cities are safe, equitable and prosperous for generations to come!

It celebrates urban life

World Cities Day is an opportunity to celebrate the beauty, culture and diversity of cities around the world. It's also a chance to recognize the importance of cities in driving innovation, economic growth and sustainable development.

It encourages sustainable urbanization

As populations continue to grow, it's important for cities to develop in ways that are both efficient and inclusive. World Cities Day is an important reminder that we must prioritize sustainable strategies like public transportation, energy conservation, green roofs and other smart city initiatives in order to create healthy, vibrant urban centers.