🛠️ Invention or technique

Proto-Sinaitic alphabet

Alfabeto protosinaítico (primer alfabeto)

Date
c. 1850 BCE · confidence medium
Place
Wadi el-Hol (Egypt) and Serabit el-Khadim (Sinai), Egypt
Credited to
Semitic (Canaanite) labourers and mercenaries in Egypt
Field
Knowledge & symbols

⚠️ Disputed: the sources disagree.

What it is

Some 25-30 signs taken from Egyptian hieroglyphs and assigned the value of the first consonant of their Semitic name (the acrophonic principle). It is the origin of all the world's alphabets: Phoenician, Greek, Latin, Aramaic, Hebrew, Arabic, Indic.

The Wadi el-Hol inscriptions (c. 1850 BCE) would predate those of Serabit el-Khadim (c. 1700-1500 BCE); their reading is largely conjectural. Ugarit developed a 30-sign cuneiform alphabet around 1400 BCE, an independent invention in form but not in principle.

What it led to

  • Writing learnable in weeks rather than years, breaking the scribes' monopoly
  • The Phoenician alphabet and its spread across the Mediterranean with trade
  • The Greek alphabet with vowels, and written Greek literature and philosophy
  • Literacy among merchants, soldiers and, eventually, the common people
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Sources✓ verified 2026-09-25