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What Does BBY Mean in Star Wars?

March 13, 2025 by
Lewis Calvert

In the vast universe of Star Wars, fans often encounter terms and abbreviations that might seem confusing at first glance. One such term is "BBY," which appears frequently in Star Wars literature, timelines, and discussions among fans. If you're wondering what BBY means in Star Wars, you've come to the right place. This article will break down this important chronological marker and help you understand how the Star Wars timeline works.

Understanding the Star Wars Timeline

The Star Wars saga spans thousands of years, with stories taking place across different eras. To keep track of when events occur relative to each other, creators needed a standardized dating system.

The Need for a Galactic Calendar

Just as we use BCE (Before Common Era) and CE (Common Era) in our real-world calendar, Star Wars needed its own system to organize its complex history spanning multiple trilogies, TV shows, books, and comics.

What BBY Stands For

BBY stands for "Before the Battle of Yavin." This crucial abbreviation serves as the central point in the Star Wars timeline.

The Battle of Yavin Explained

The Battle of Yavin refers to the climactic battle shown in the original Star Wars film (1977), later retitled as Star Wars: Episode IV - A New Hope. This was the battle where Luke Skywalker destroyed the first Death Star by firing proton torpedoes into its exhaust port.

Why Yavin Was Chosen

The Battle of Yavin was selected as the pivotal moment for the Star Wars timeline because:

  1. It represented the Rebel Alliance's first major victory against the Empire
  2. It was featured in the first Star Wars film ever released
  3. It marked a turning point in the galactic civil war

The Counterpart: ABY

When discussing events that take place after the Battle of Yavin, the abbreviation ABY (After the Battle of Yavin) is used.

Examples of BBY and ABY Dating

Let's look at some key events in Star Wars and when they occurred according to this dating system:

Event Year
The Phantom Menace 32 BBY
Attack of the Clones 22 BBY
Revenge of the Sith 19 BBY
Solo: A Star Wars Story 10 BBY
Rogue One 0 BBY
A New Hope 0 BBY/ABY
The Empire Strikes Back 3 ABY
Return of the Jedi 4 ABY
The Force Awakens 34 ABY

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How BBY Is Used in Star Wars Media

The BBY/ABY dating system has become the standard way to organize Star Wars chronology across all official media.

In Canon Materials

Since Disney's acquisition of Lucasfilm in 2012, all new Star Wars content has been carefully placed within the BBY/ABY timeline. Official reference books, such as Star Wars: The Visual Encyclopedia and Ultimate Star Wars, use this dating system.

In Legends (formerly Expanded Universe)

Before Disney's acquisition, the Expanded Universe (now called "Legends") also used the BBY/ABY system extensively in novels, comics, and games.

Other Dating Systems in Star Wars

While BBY/ABY is the most common dating system, several others exist within the Star Wars universe.

The Imperial Calendar

After Emperor Palpatine established the Galactic Empire, an Imperial dating system was introduced that marked the formation of the Empire as year zero.

The Republic Calendar

The Galactic Republic used a different calendar system before its fall, dating from its foundation.

Why BBY Matters to Fans

Understanding what BBY means helps fans place stories in context and appreciate the interconnected nature of the Star Wars saga.

For New Fans

If you're new to Star Wars, knowing about BBY helps you understand the chronological order of events, which differs from the release order of the films and shows.

For Star Wars Scholars

For dedicated fans who dive deep into Star Wars lore, the BBY system provides a framework for analyzing the connections between characters and events across different eras.

Conclusion

BBY, meaning "Before the Battle of Yavin," serves as the fundamental dating reference point in Star Wars chronology. This simple abbreviation helps organize thousands of years of fictional history across multiple media formats. By understanding that the Battle of Yavin (the destruction of the first Death Star) marks year zero, fans can better appreciate how all Star Wars stories connect to form a cohesive narrative universe.

Whether you're a casual viewer or a dedicated fan, knowing what BBY means enhances your understanding of when events take place in that galaxy far, far away. As the Star Wars universe continues to expand with new films, series, and other media, the BBY/ABY system remains the standard way to keep track of it all.