Largest march against illegal drugs

According to Official Guinness Records,

The largest march against illegal drugs, the 'Grand BIDA March' included 332,963 people and was organised py PAGCOR (Philippines), in Manila, Philippines, on 21 March 2009. A barcode system and an on site registration method were used to count the participants. The organisers estimate a total non official number of 600,000 people.

For a complete list of 2009 records, please visit 2009 Guinness Records in Philippines.

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