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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• For Teachers
• For Homework
• For Genealogy
• For Blogging
• As an Historian
• As an Archaeologist

REFERENCE

• Timelines
• Factoids
• Citations
• Calendar

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

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• Roles

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• Can Cities Vanish?

TUTORIAL

• Contribute History
• Contribute Expertise

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• Editing
• Editing Style Guide

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• 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