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Lesson 28 of 84 · History
Oral History: Stories Told Aloud
Inventors have changed history. The light bulb, the telephone, and the computer were all inventions that changed how people live.
Key Facts
1
A timeline shows events in order.
2
Old photographs teach us about long ago.
3
Artifacts are objects from the past.
Timeline
1776
The Declaration of Independence is signed
1787
The U.S. Constitution is written
1791
The Bill of Rights is ratified
Check Your Understanding
Question 1
1 of 2What is an artifact?