Call of Duty: Modern Warfare & Warzone 2021 - Wiki Guide
Know Your History Event - Rewards & New COD Trailer
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Know Your History Event - Rewards & New COD Trailer

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Read this to know more on the "Know Your History" Event in Call of Duty: Modern Warfare / Warzone! Know the meaning, rewards & blueprints, rules, & how to view the new COD trailer!!!

Table of Contents

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Know Your History Event Overview

Warzone Game Mode Promoting COD Black Ops Cold War

Know Your History

Know Your History is a time-limited event that players can partake in to view the trailer of the new COD Black Ops Cold War. It plays similarly to the usual Battle Royale game mode but with different rules and rewards. Players can also acquire an exclusive blueprint by completing all objectives in this event.

No Deaths

No Deaths

Players can join the event and do objectives without worrying about dying or restarting as you immediately respawn after you get killed.

Replayable Limited Time Game Mode

Know Your History Schedule
Click to Enlarge

It has been officially announced that the "Know Your History" event will be back a couple more times. Note that each event lasts for only 1 to 2 hours so take advantage of it and get the event-exclusive rewards!

Know Your History Event Schedule

August 264pm - 5pm PT
August 2710:30am - 11:30am PT
August 284pm - 6pm PT
August 298am - 10am PT
5pm - 7pm PT

Complete Objectives For Prizes

Test Pattern Charm Unlocked

In Know Your History, players must complete a set number of objectives in order to get event-exclusive rewards. Take your time in completing them as you immediately respawn no matter how many times you get killed.

List Of Rewards & Objectives

Collect Map Codes- All the Guns Emblem
Secure the Key- Ascension Calling Card
Crack the Map Code- Test Pattern Charm
Wield the Weapon- Bay of Pigs SKS Blueprint
Completing the event- War of Words Emblem
- Mounting Storm Calling Card

New COD Trailer

For those who missed the event, you can view the trailer on Call of Duty's official Youtube channel.

What Is Know Your History Message & Glitch Screen?

A Graphical Glitch That Flickers Your Screen

Know Your History

Screenshot from John Becker's video!!!

"Know Your History" is a momentary graphical glitch effect that happens to players while playing Warzone. It shows the messages "Know Your History" for a second.

Also Includes A Russian Phrase

Know Your History Russian

Screenshot from John Becker's video!!!

It also shows the russian phrase "обречание её повторение" that can be roughly translated to "doomed to its repetition".

Confirmed Promotion For New COD

The Know Your History Glitch has been proven to be part of the marketing campaign to promote the new COD. Players can partake in the Know Your History game mode in Warzone to view the new trailer.

Check out COD Black Ops Cold War News & Leaks Here!

Other Clues Appears


Clues like Bish You Were Here, Pawntakespawn and the Farmland Bunker provide more clues leading to mysteries. These new clues provide more evidence for the next COD's themes and setting.

How To Get The Screen Flicker Static Glitch

Glitch Occurs Randomly

The triggers to display the "Know Your History" glitch's is currently unknown. However, it can be observed that the ones who reported this glitch were playing with teammates, and were out of combat when the glitched occurred.

Confirmed To Occur In Close Firefights

We were able to trigger a Know Your History Glitch while doing a close-quarters brawl in Warzone. While its a nice addition, it's also can be a bit scary when you're fighting for your life.

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