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Lesson 18 of 84 · Biographies
Helen Keller: Overcoming All Obstacles
A timeline shows events in the order they happened. It helps us see what came first and what happened later.
Key Facts
1
A timeline shows events in order.
2
Old photographs teach us about long ago.
3
Artifacts are objects from the past.
Check Your Understanding
Question 1
1 of 2What is an artifact?