c. 50 BCE
Technology
Levant
Glassblowing
Syrian workers inflate molten glass on a hollow rod.
Why it mattered
Glass vessels went from luxury to everyday household object.
Antiquity
50 BCE
2 recorded milestones at this point in the record.
50 BCE
Science
Roman Empire
Julian calendar reform
A 365.25-day year with leap days replaced a drifting civic calendar.
Why it mattered
Fixed the Western year for sixteen centuries.
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