Read literally
Start with claims you can underline in the document.
History starts with evidence
Don't just remember the past. Investigate it.
Learn the historian's most useful habit: tell the difference between what a source says, what you infer, and what you still need to ask.
- Four archive-linked excerpts
- About 10 minutes
- Notes stay on your device
01Observe
Point to the exact words.
02Infer
Say what the words suggest.
03Question
Name the evidence still missing.
A repeatable method
One source. Three careful moves.
Mark the leap
An inference can be smart—but it must not pretend to be a quotation.
Ask for more
Use missing evidence to decide what source to seek next.
Source Detective
Read the words. Test the claim.
Four short archive excerpts. No trivia score—just practice keeping evidence, inference, and questions apart.
0 of 4evidence checks complete
Declaration of Independence
Second Continental Congress
“Governments are instituted among Men, deriving their just powers from the consent of the governed”
1 Evidence check
Choose first. The explanation stays hidden until you commit.
2 Historian's notebook
Write one of each. Your notes stay in this browser and are never sent to Koydo.
Historian's next move
A source can state a powerful ideal without proving that people followed it. What other evidence would show who actually had political power?
Transparent by design
Every packet points back to its archive.
Koydo provides short excerpts and original learning prompts, not a replacement for the full record. Open the authority link, inspect the surrounding text, and challenge the interpretation.
4 source packets independently reviewed August 4, 2026.