Half-timber for warm forested, log for cold forested, mudbrick for warm nonforested, stone for hot, dugout for very cold. Flat roof for warm, angled roof for temperate, steep roof for snowy.

Paleolithic

  • 850,000 - Rafts - shallow boats
  • 350,000 - Fire - fire stick
  • 250,000 - Hearth - furnace, charcoal
  • 200,000 - Spear - gold sword
  • 150,000 - Shellfish -
  • 100,000 - Flint tools - gold tools
  • 90,000 - Spear fishing -
  • 70,000 - Animal worship -
  • 40,000 - Wood tools - wood tools
  • 30,000 - Lunar calendar, shamans - calendar

Early Age

  • 28,000 - Bow and arrow - bow arrow
  • 25,000 - Earthenware - single chest
  • 23,000 - Grains -
  • 22,000 - Fishing net - fishing rod
  • 20,000 - Hide - leather armour

Neolithic/Stone Age

  • 11,000 - Stone tools - stone tools
  • 10,500 - Oil lamp
  • 10,200 - Grain farming - crops
  • 10,000 - Settlement - not nomadic
  • 9600 - Mudbrick temple - mudbrick
  • 9500 - Fruit farm - apples
  • 9300 - Sheep, dogs - sheep, dogs
  • 9200 - Mudbrick homes, storage - chests
  • 9000 - Mudbrick wall, outpost - walls, outpost
  • 8600 - Ladder - ladder
  • 8000 - Dugout - dugout house
  • 7200 - Plaster -
  • 7000 - Stilt-house - stilt house
  • 6500 - Cattle, pigs - cows, pigs
  • 6300 - Pottery - flower pots
  • 6000 - Wool cloth - wool
  • 5500 - Well -

Copper Age

  • 5300 - Copper - smelting
  • 5000 - Moderate settlement, drystone - cobblestone
  • 4800 - Hand drill - flint and steel
  • 4500 - Burial mounds -
  • 4400 - Wattle and daub - half-timber
  • 4200 - Linen -
  • 4100 - Sail canoe -
  • 4000 - Large settlement - public spaces
  • 3900 - Door - door
  • 3800 - Palisade walls - palisade
  • 3700 - Mine -

Bronze Age

  • 3750 - Bronze - bigger weapons
  • 3600 - Large brick structures, buttresses - brick
  • 3500 - Town gate - small gates
  • 3400 - Hill fort -
  • 3200 - Log cabin - log house
  • 3100 - Chair - chair
  • 3000 - Script - book
  • 2800 - Roof tile -
  • 2700 - Table - table
  • 2600 - Pyramid - stone brick
  • 2500 - Underground temple, arches -
  • 2200 - Sign - sign
  • 2100 - Rope bridge
  • 2000 - Dagger - stone sword
  • 1700 - Lamellar armour -
  • 1500 - Stoneware -
  • 1300 - Arched stone bridge -
  • 1200 - Cargo ship -
  • 1000 - Scale armour - gold armour
  • 950 - Vessel - bucket
  • 900 - Torch - torch
  • 800 - Plate armour - chain armour

Iron Age

  • 750 - Anvil - anvil
  • 700 - Sword - iron sword
  • 650 - Large wooden bridge -
  • 600 - Iron tools - iron tools, crossbow
  • 550 - City gate - city gate
  • 500 - Yurt - tent
  • 450 - Two-masted boats -
  • 400 - Mail armour - iron armour
  • 350 - Lantern -
  • 300 - Steel sword - diamond sword
  • 200 - Steel tools - diamond tools
  • 150 - Candle - redstone torch
  • 100 - Bookcase - bookshelf
  • 200 - Segmented arch bridge -
  • 500 - Gatehouse -
  • 600 - Railway - rail
  • 700 - Stained glass window - stained glass
  • 800 - Open-spandrel bridge -
  • 1000 - Clear glass window - glass
  • 1100 - Painting - painting
  • 1400 - Full plate armour - diamond armour