Untitled timeline

Math

Sumerians divide circle into 360 degrees

3000 B.C.

Sumerians divide day into 24 hours

3000 B.C.

Sumerians divide minute into 60 seconds

3000 B.C.

Crossbows common in China during Han dynasty

206 B.C. - 220 A.D.

Stone and wooden wheels widespread

2600

War

Lyre in Sumeria

3000 B.C.

Advanced soldering skills in Mesopotamia

2600 B.C.

Assyrians: 150-200,000 in army, with combined

700 B.C.

Greek-Persian War

499 B.C. - 448 B.C.

Crop irrigation in Egypt

215 B.C. - 205 B.C.

Science

Fired clay pottery

7000 B.C.

Paved highway in Egypt

2600 B.C.

Great Pyramid at Giza

2500 B.C.

First zoo has opening day, in China

2000 B.C.

Great Wall of China

215 B.C.

Troy

Troy inhabited

3000 B.C.

Mycenae (Greece) flourishes

1600 B.C.

Mycenae dominates Aegean

1450 B.C.

Mycenae reaches its peak

1320 B.C.

Trojan War (between Troy and Mycenae)

1190 B.C.