evidencehistorical
Zero reached Europe around the 12th century, popularized by Fibonacci in his book Liber Abaci.
95% confidence
Fibonacci, an Italian mathematician, traveled in North Africa and learned about the Hindu-Arabic numeral system, including zero. In 1202, he published Liber Abaci, a book explaining the new numbers to European merchants and scholars. This helped Europe move away from Roman numerals and adopt the more efficient system including zero.
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