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Alphabet — Data storage

InventTable — ALPHABET ERA — Data storage

InventionDescriptionYearInventorCountry
True alphabet including vowels 700 BCE Greece (35)
Musical notation 700 BCE India
Geometry shapes and math 500 BCE Pythagoras Greece
Pen improved ink 350 BCE India/Egypt
Comprehensive star chart 150 BCE Hipparchus of Nicaea Rhodes, Greece
Parchment animal skin for writing 150 BCE Pergamum, Turkey
Book bound parchment 150 BCE Pergamum, Turkey
Calendar days, months, years 45 BCE Julius Caesar/Gregory XIII Rome
Encyclopedia 77 AD Pliny the Elder Rome
Wood block printing on paper 220 AD China
Decimal point 400 AD India
Trigonometry math angles 450 AD Siddhantas India

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