Most people planking simultaneously

According to Official Guinness Records,

The most people planking simultaneously is 1,549 and was achieved by King George V School (UK) in Hong Kong, on 16 December 2011.
Anoushka Weiley (13 years old), a student of the school, suggested the planking record in celebration of the school's new chairs and as a fitting farewell to the old chairs that had been in use for 40 years.

For a complete list of 2011 records, please visit 2011 Guinness Records in China.

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