PROJECTS

• Overview
• Buy a lesson plan
• Suggest a data edit
• Volunteers needed

GET THE APP

• Compare web and app versions
• Troubleshooting

DOCUMENTATION

ABOUT

• Project News
• Frequently Asked Questions

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• Historians
• Teachers
• Students
• Creators
• Genealogy
• Archaeologists

ARTICLES

• Narrative and Structured Data
• Can Cities Vanish?

REFERENCE

• Timelines
• Factoids
• Citations

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• Data Sources
• Data Transformation
• File Formats
• Historical Maps
• Geocoding

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• Roles

TUTORIAL

• Contribute History
• Contribute Expertise

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• Editing
• Editing Style Guide

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• Embedding
• Embedding in HTML with JavaScript
• Embedding in a Jupyter Notebook
• Create Map from Text
• Filtering and Analysis

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• Lesson Plan Usage
• Lesson Plan Editing
• Learning Objectives

POLICY

• Advertising Policy
• Data Use Policy
• Privacy Policy
• Submission Policy

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• For Copyright Holders