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Architecture Through Time

When these happened

29 dated records from 2600 BCE to 2024. Each is drawn as wide as its date is certain — a band is a band because nobody knows the year, not because the drawing is imprecise.

2500 BCE2000 BCE1500 BCE1000 BCE500 BCE0500100015002000The Great Pyramid is built as mass, not span — c. 2600-2560 BCEThe sarsen circle and trilithons are raised at Stonehenge — c. 2500 BCEThe corbelled tholos at Mycenae sets a record that stands for fourteen centuries — c. 1250 BCERoman builders adopt pozzolanic concrete — 3rd-2nd century BCEThe Pont du Gard carries an aqueduct on three tiers of arches — mid-1st century CEThe Colosseum opens: arch and concrete at civic scale — 80 CEThe Pantheon dome spans about 43 m in unreinforced concrete — c. 113-125 CE (traditionally 126 CE)Justinian commissions Hagia Sophia from two geometers — 532Hagia Sophia is dedicated — 537-12-27The first dome of Hagia Sophia collapses — 558-05The steeper dome is dedicated — 562-12-24Durham roofs a great nave with ribbed vaults — c. 1093-1133Suger's choir at Saint-Denis is consecrated — 1144Notre-Dame de Paris is begun — 1163Fire destroys most of Chartres Cathedral — 1194-06-10The high vaults of Chartres close at about 36-37 m — c. 1220Chartres is consecrated — 1260Otis demonstrates the elevator safety brake — 1854Bessemer describes the converter to the British Association — 1856-08Monier patents iron-reinforced cement — 1867The Home Insurance Building is completed in Chicago — 1885The Hennebique system makes reinforced concrete a frame — 1892Demolition supplies the evidence for the claim — 1931Burj Khalifa opens at 828 m — 2010-01-04Fire destroys the roof and spire of Notre-Dame de Paris — 2019-04-15The Stonehenge sarsens are traced to West Woods — 2020Lime clasts reinterpreted as hot mixing and self-healing — 2023The Altar Stone is traced to north-east Scotland — 2024-08Notre-Dame de Paris reopens for worship — 2024-12-08
29 shown · 29 dated · 0 cannot be placed on an axis · Approximate or contested. Draw a band and do not sharpen its edges.
In order29
  1. c. 2600-2560 BCEThe Great Pyramid is built as mass, not span

    It happened, and the record is settled.

  2. c. 2500 BCEThe sarsen circle and trilithons are raised at Stonehenge

    It happened, and the record is settled.

  3. c. 1250 BCEThe corbelled tholos at Mycenae sets a record that stands for fourteen centuries

    It happened, and the record is settled.

  4. 3rd-2nd century BCERoman builders adopt pozzolanic concrete

    It happened, and the record is settled.

  5. mid-1st century CEThe Pont du Gard carries an aqueduct on three tiers of arches

    It happened, and the record is settled.

  6. 80 CEThe Colosseum opens: arch and concrete at civic scale

    It happened, and the record is settled.

  7. c. 113-125 CE (traditionally 126 CE)The Pantheon dome spans about 43 m in unreinforced concrete

    It happened, and the record is settled.

  8. 532Justinian commissions Hagia Sophia from two geometers

    It happened, and the record is settled.

  9. 537-12-27Hagia Sophia is dedicated

    It happened, and the record is settled.

  10. 558-05The first dome of Hagia Sophia collapses

    It happened, and the record is settled.

  11. 562-12-24The steeper dome is dedicated

    It happened, and the record is settled.

  12. c. 1093-1133Durham roofs a great nave with ribbed vaults

    It happened, and the record is settled.

  13. 1144Suger's choir at Saint-Denis is consecrated

    It happened, and the record is settled.

  14. 1163Notre-Dame de Paris is begun

    It happened, and the record is settled.

  15. 1194-06-10Fire destroys most of Chartres Cathedral

    It happened, and the record is settled.

  16. c. 1220The high vaults of Chartres close at about 36-37 m

    It happened, and the record is settled.

  17. 1260Chartres is consecrated

    It happened, and the record is settled.

  18. 1854Otis demonstrates the elevator safety brake

    It happened, and the record is settled.

  19. 1856-08Bessemer describes the converter to the British Association

    It happened, and the record is settled.

  20. 1867Monier patents iron-reinforced cement

    It happened, and the record is settled.

  21. 1885The Home Insurance Building is completed in Chicago

    It happened, and the record is settled.

  22. 1892The Hennebique system makes reinforced concrete a frame

    It happened, and the record is settled.

  23. 1931Demolition supplies the evidence for the claim

    It happened, and the record is settled.

  24. 2010-01-04Burj Khalifa opens at 828 m

    It happened, and the record is settled.

  25. 2019-04-15Fire destroys the roof and spire of Notre-Dame de Paris

    It happened, and the record is settled.

  26. 2020The Stonehenge sarsens are traced to West Woods

    It was measured or witnessed, with the observation cited.

  27. 2023Lime clasts reinterpreted as hot mixing and self-healing

    It was measured or witnessed, with the observation cited.

  28. 2024-08The Altar Stone is traced to north-east Scotland

    It was measured or witnessed, with the observation cited.

  29. 2024-12-08Notre-Dame de Paris reopens for worship

    It happened, and the record is settled.