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Case Day

Get ready to solve some mysteries and crack some cases on National Case Day - a day dedicated to all things detective and crime-solving!

Sunday

December 2026

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

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YEARLY DATEDecember 27

OBSERVED INInternationally

CATEGORYTech

SUBCATEGORYGadgets

INTRO

Introduction

PHOTO

Get ready to celebrate all the amazing things about cases on Case Day, which falls on December 27! Whether it's a phone case, a suitcase, or a legal case, this day is dedicated to recognizing the importance and usefulness of cases in our daily lives. Did you know that the word "case" comes from the Latin word "capsa", meaning box? Cases have been used for centuries to protect valuable items and documents, and now they come in all shapes and sizes for various purposes. So make sure to give some love and appreciation to your trusty cases on this special day!

TIMELINE

Case Day Timeline

Case For Transportation

The suitcase was invented for easy transportation of personal items during long journeys.

Birth of Modern Filings

New York was the first state to enact legal rules, leading to widespread use of filing cases in courts.

Cell Phone Cases Introduction

With the invention of mobile phones, protective phone cases were introduced to safeguard the devices from damage.

First Use of DNA Evidence

First criminal case employing DNA fingerprinting, setting a precedent for future legal and forensic cases.

Appearance of Laptop Cases

With the rapid rise of laptop usage, specialized laptop cases began gaining popularity for protecting the valuable equipment on-the-go.

GET INVOLVED

How to Celebrate Case Day

Create a scavenger hunt

Make a list of items related to Case Day and hide them around your house or neighborhood. Have your friends or family members search for them and see who can find the most items in a set amount of time.

HAVE

Have a Case-themed movie marathon

Gather some snacks and drinks and spend the day watching movies that have "case" in the title, such as "The Curious Case of Benjamin Button" or "A Case of You". You could also watch TV episodes or documentaries related to legal cases or crime solving.

HOST

Host a mock trial

Gather a group of friends and assign roles as lawyers, witnesses, and jurors. Come up with a case to present and have fun acting out a mock trial. This could also be a great way to learn more about the legal system.

CREATE

Create a Case-themed playlist

Put together a playlist of songs that have "case" in the title or are related to legal cases, such as "Lawyers, Guns and Money" by Warren Zevon or "I Fought the Law" by The Clash. Play it in the background while you celebrate.

ORGANIZE

Organize a trivia night

Challenge your friends to a Case-themed trivia night. Come up with questions related to famous court cases, legal terms, and famous lawyers. You could also include pop culture references and fun facts about cases in TV shows and movies.

WHY THIS DAY MATTERS

Why We Love Case Day

It's an opportunity for growth and learning

Case Day can also be seen as a chance for continued education and professional development in the legal field. Events and activities held on this day can provide valuable insights, networking opportunities, and skill-building workshops for legal professionals.

It's a day to celebrate the hard work of lawyers and paralegals

Case Day is an opportunity to recognize and appreciate the contributions of legal professionals who work tirelessly to uphold justice and protect their clients' rights. It's a chance to show gratitude for their dedication and commitment to their profession.

It reminds us of the importance of law and order

In today's fast-paced world, it can be easy to forget about the fundamental principles of law and order that govern our society. Case Day serves as a reminder of the role that legal professionals play in upholding these principles and ensuring justice for all.