Events from 2700 BC
Home
Browse Events
People
Places
Books
Search
Timeline
Go →
← 3000 BC
2700 BC
1 event
Use H/L or ←/→ keys to navigate
Swipe left/right to navigate
2500 BC →
2700 BC
1 event
Swipe left/right to navigate
← 3000 BC
2500 BC →
←
→
2700 BC
ID: 4452
Abacus developed in Mesopotamia - first known calculating device using beads on rods for arithmetic
ID: 4452
📍
Mesopotamia
mathematics
invention
calculation
abacus
counting
Mesopotamia