Timeline Troy

Math

Sumerians divide circle into 360 degrees

3000 B.C.

Sumerians divide day into 24 hours

3000 B.C.

Sumerians divide day into 24 hours

Mesopotamians develop weights and measures

2500 B.C.

Mesopotamians develop weights and measures system

Babylonians have multiplication tables

1800 B.C.

Babylonians have multiplication tables

First recorded mention of symbol for zero

900 B.C.

First recorded mention of symbol for zero, in India

War

Simple bows common in northern Europe

6000 B.C.

Simple bows common in northern Europe

Period of Old Kingdom in Egypt, military staff developed

2686 B.C. - 2160 B.C.

Period of Old Kingdom in Egypt, military staff
developed

Copper helmets

2500 B.C.

Copper helmets with leather liners common in Sumerian army, lessening impact of mace as a weapon

Sargon's army of 5,300 is big for the time

2300 B.C.

Sargon's army of 5,300 is big for the time

First evidence of composite bow

2250 B.C.

First evidence of composite bow, during reign of Naram Sin, grandson of Sargon the Great -- able to penetrate leather armor, double range of simple bows

Science

Wheels in Mesopotamia

4000 B.C.

Wheels in Mesopotamia

Egyptians use calendar with 365 days

2773 B.C.

Egyptians use calendar with 365 days

"Old Copper"

2700 B.C.

"Old Copper" culture, near Lake Superior, uses copper for tools and ornaments

Egyptians performed surgery

2500 B.C.

Egyptians performing surgery, and some patients live

Water clock in Egypt

1600 B.C.

Water clock in Egypt

Troy

Troy inhabited

3000 B.C.

Troy inhabited

Mycenae (Greece) flourishes

1600 B.C.

Mycenae (Greece) flourishes

Mycenae dominates Aegean

1450 B.C.

Mycenae dominates Aegean

Mycenae reaches its peak

1320 B.C.

Mycenae reaches its peak

Trojan War

1190 B.C.

Trojan War (between Troy and Mycenae)

Mycenae falls to invaders

1100 B.C.

Mycenae falls to invaders

Age of Darkness in Aegean area

1100 B.C. - 800 B.C.

Age of Darkness in Aegean area, Dorian and Ionian invasions interrupt Mycenaean civilization