43
Lesson 43 of 84 · History
Inventions That Changed Our Lives
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
1865
The Civil War ends; slavery is abolished
1869
The Transcontinental Railroad is completed
1920
Women gain the right to vote (19th Amendment)
Check Your Understanding
Question 1
1 of 2What is an artifact?