“The definitive guide to all holidays and anniversaries.”
- The Wall Street Journal
12,500 entries. 196 countries. 365 days.
Find out what's going on any day of the year, anywhere across the globe!
The world's date book since 1957, Chase's is the definitive, authoritative, day-by-day resource of what the world is celebrating and commemorating.
From national days to celebrity birthdays, from historical milestones to astronomical phenomena, from award ceremonies and sporting events to religious festivals and carnivals, Chase's is the must-have reference used by experts and professionals-a one-stop shop with 12,500 entries for everything that is happening now or is worth remembering from the past.
Completely updated for 2026, Chase's also features extensive appendices (astronomical data, major awards, perpetual calendar) as well as an exclusive website that puts the power of Chase's at the user's fingertips.
* 2026 is packed with special events and observances, including
· * National days and public holidays for every nation on Earth
· * Scores of new special days, weeks and months-such as International Day of the Snow Leopard (Oct 23), World Coding Day (Oct 29), World Meditation Day (Dec 21) and Salute to Nonprofit Theater Week (June 7–13)
· * Birthdays of new world leaders, acclaimed authors, sports stars and breakout celebrities
· * Information on such special events as the FIFA World Cup 26™, America 250, observances for the 25th anniversary of 9/11, the bicentenary of the Cowes Week Regatta and much more
· * Information on such historical and biographical milestones as the 250th anniversary of the Declaration of Independence, the 125th birth anniversary of Hirohito, the 100th birth anniversary of Queen Elizabeth II, the 100th birth anniversary of Marilyn Monroe, the 100th birthday of Sir David Attenborough, the 75th anniversary of “I Love Lucy” and much more
All from the reference book that the Los Angeles Times calls “the bible of special occasions.”
Get exclusive access to the Chase's Calendar of Events 2026 companion website with:
· * Advanced and customized search by date ranges, keyword, categories, attendance-however you want!
· * What's on Today? All of the holidays, events, anniversaries, celebrity birthdays for the current day
· * Unique Festivals of the World: click on the map to discover intriguing celebrations by nation
· * Major Awards, About the Holidays, Glossary of Calendar Terms and Special Months


Chase's Calendar of Events is published by an in-house team of editors and researchers based in Chicago, IL. Chase's was first published on Dec 4, 1957, by brothers William and Harrison Chase.