1. BHOH Timeline

2. BHOH Timeline People figure out how to farm
Mesopotamia/ Tigris and Euphrates Rivers
China/ Huang He River Civilization
India/ Indus River Valley Civilization
Egypt/ Nile River Valley Civilization
Hunter Gatherer Societies
4000 BC
3300 BC
3000 BC
1500 BC
1 BC
1 AD
12,000-
10,000 BC

3. BHOH Timeline Steamboat US totally industrializes/ Telephone invented
TV becomes important
Railroads become important
Factories used more often
World War 1
World War 2
1820s AD
1840s AD
1870s AD
1914-
1918 AD
1939-
1945 AD
1950s AD
1800s AD

4. BHOH Timeline ENIAC-1st real computer built ARPANET created
People start using computers a lot
People start using the internet a lot
First smartphone released
Bill Gates starts MIcrosoft
TV becomes important
World War 2
1969 AD
1950s AD
1975 AD
1980s AD
1990s AD
1939-
1945 AD
1946 AD
1999 AD