Loudest applause

According to Official Guinness Records,

The loudest applause was 111 dBs and was organized by Realizar Impact Marketing and Modelo (Portugal), and achieved by Tony Carreira Fans (Portugal) at the Bela Vista Park, in Lisbon, Portugal, on 20 June 2009.
Nearly 22,000 fans of the famous Portuguese singer Tony Carreira gathered in Bela Vista Park to attend his concert and were asked before the concert to attempt the record. The record was attempted together with another two records, largest litter bin and largest picnic.

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

Other Portugal records that might interest you:

• Largest picnic
• First wave farm
• Largest decorated Easter egg
• Largest saddle
• Greatest distance covered in 24 hours by wheelchair