Oldest batteries

According to Official Guinness Records,

Around a dozen clay jars, measuring around 13cm (5in) long, and dating back around 2,000 years, are believed to be the world's oldest electrical cells (batteries). The jars contain a copper cylinder and an iron rod, along with signs of acidic corrosion. Modern replicas of these objects have been shown to function as rudimentary electrical cells (batteries), and it is possible that they were used for electroplating. Their exact origin and age is disputed. But some reports claim they were discovered in the basement of the Baghdad Museum by German archaeologist Wilhelm Konig in 1938.

For a complete list of 2003 records, please visit 2003 Guinness Records in Iraq.

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Other Iraq records that might interest you:

• First use of the wheel
• First aerial battle involving an unmanned aerial vehicle
• First use of biological warfare
• First autograph
• First pottery kilns
• Most valuable carpet
• First royal cemetery
• Most goals scored in a football (soccer) Gulf Cup of Nations match (individual)
• First parliament
• First use of a graphite bomb
• Oldest love poem
• Oldest written customer complaint
• Oldest surviving judicial code
• First deployed battlefield ray gun
• First canal - relics
• Last battleships to see combat
• First irrigation canals
• First city