Indus Valley Script and Harappan Seal Tradition (c. 2600–1900 BCE)

1. Early symbol marks in the Ravi phase

   Jan 1, 3300 BCELabels: Ravi phase, Harappa

   • Britannica
   • Harappa com

2. Kot Diji phase sees signs appear on seals

   Jan 1, 2800 BCELabels: Kot Diji, Seals

   • Britannica

3. Indus script fully emerges by Mature Harappan

   Jan 1, 2600 BCELabels: Indus script, Mature Harappan

   • Britannica
   • British Museum

4. Standardized steatite stamp-seal tradition flourishes

   Jan 1, 2500 BCELabels: Steatite seals, Unicorn motif

   • Britannica
   • Harappa com

5. Dholavira public signboard inscription in use

   Jan 1, 2500 BCELabels: Dholavira, Public signboard

   • Harappa com
   • Harappa com

6. Indus seals used to make clay sealings

   Jan 1, 2300 BCELabels: Sealings, Commerce

   • Harappa com
   • Harappa com

7. Indus seals and sealings reach Mesopotamia

   Jan 1, 2300 BCELabels: Mesopotamia, Interregional exchange

   • Harappa com
   • Nature HSSC

8. Mature Harappan script standardization

   Jan 1, 2200 BCELabels: Standardization, Mature Harappan

   • Britannica

9. Mature urban phase ends; script use declines

   Jan 1, 1900 BCELabels: Late Harappan, Decline

   • Britannica
   • Wikipedia

10. Publication of Marshall’s Mohenjo-daro excavation synthesis

    Jan 1, 1931Labels: John Marshall, Mohenjo-daro

    • Harappa com
    • ANU Archives

11. Mahadevan’s concordance standardizes inscription references

    Jan 1, 1977Labels: Iravatham Mahadevan, Concordance

    • UoC Catalog
    • Wikipedia

12. Corpus of Indus Seals and Inscriptions begins

    Jan 1, 1987Labels: Corpus volume, Joshi &

    • Harappa com