7000 BCE - Uses of copper in Anatolia, Iran and Eastern Europe.
5000 BCE - Uses of copper in Egypt.
4000 BCE - Smelting technology for copper in Egypt and Iran.
3450 BCE - Use of natural zinc/copper alloy in Egypt.
3500 BCE - Gold makes an appearance in Egyptian jewellery.
3000 BCE - Egypt and Iran making simple hammered iron beads
3000 BCE - The Middle East employ semi-mass-production
2000 BCE - First signs of the swaging technique
2600 BCE - Beaded wires began to be used.
2500 BCE - Egyptians using copper/lead alloys.
2500 BCE - True iron production technology in Near East.
2500 BCE - The intentional addition of silver and copper to gold.
2500 BCE - Gold wires are characterized by seam lines that follow a spiral path along the wire.
2000 BCE - Use of patterned punches
1500 BCE - Earplugs and earrings become popular in Egypt.
1400 BCE - Egypt Amarna period, using resin and mud for repoussé backing.
1400 BCE - Deliberate addition of zinc to copper in Canaan.
1400 BCE - Philistines have iron.
1400 BCE - Very copper rich gold alloys popular in Egypt.
1000 BCE - Persian sheet bronze work 0.05mm thick.
1000 BCE - The start of true engraving.
900 BCE - The Greeks have iron.
700 BCE - World's oldest coinage in Lydia.
575 BCE - In Greece, jewellery is still very rare.
500 BCE - Hafted hammers were being used in some parts.
500 BCE - Iron in use in Britain
400 BCE - Greeks using Beeswax for filler in repoussé.
350 BCE - Use of combined punches and dies of bronze.
325 BCE - Animal or human-headed hoop earrings were popular.
300 BCE - Diadems are first seen.
300 BCE - Red Coral popular in Celtic jewellery.
ACE 50 - Start of the Roman period, where addition of silver to gold becomes almost unknown.
ACE 100 - Sulfur fills hollow gold items throughout the Roman Empire.
ACE 150 - Tin rings found in Nubia
ACE 300 - Lead becomes more common in places.
ACE 400 - Pewter jewellery is made.
ACE 400 - A shale die is found in Britain.
ACE 1500 - The Renaissance