Group World Records  

910 students and 77 teachers and staff in Antwerp, Belgium danced while gargling water. The event was organized by EcoHuis Antwerpen to raise awareness about water shortage. Read more about the feat here.

Jacques J. and three other tattoo artists tattooed each other simultaneously in circular formation, a RecordSetter.com World Record. The tattoos are Invader Zim tattoos. It took the artists 45 to 60 minutes to finish the tattoos.

TJ and 31 of his friends fit into a bathroom stall and sang the chorus of Lean On Me.

Led by Jeff Tomlinson, 32 pairs of students joined together for a 64-person piggyback group hug.

Cassandra Saelee took off 11 t-shirts and transferred them onto Karsyn Parker’s body in 30 seconds, a new world record. Their feat beat the previous record by three shirts. Saelee and Parker set the record on March 28, 2009 at Parker’s home in Fresno, California. Joe Parker was present to document the record and count the shirts. tag:RecordSetterBook01

Courtney Boyd Myers, Andy Morris, Justin Rocket Silverman, Jonathan Levy and two of their friends did "karate chop" jumps into a pool at once. The group set the record during the SXSW Festival at a party held by The Daily. #TheDailyRecords

Led by Stefanie Rieder, 39 people performed armpit farts at the same time, forming a record-breaking armpit fart orchestra.

61 people from the Warner Bros. Television Marketing team called a woman named Amy on her birthday and surprised her by singing "Happy Birthday." RecordSetter Co-founder Dan Rollman was present to adjudicate the attempt.

Delia Sandow and 229 people rang cowbells in a corn maze. They performed the attempt at Grandma's Pumpkin Patch.

Led by Doc Mack, 123 people at the Galloping Ghost Arcade in Brookfield, Illinois played arcade games simultaneously. They set the record as part of the their 4th year anniversary event.

465 attendees at Choralia VocalEssence Spring Gala performed a nose flute orchestra. The record was set during an event benefiting the VocalEssence Community Engagement Programs, ¡Cantaré! and WITNESS, which annually bring music to more than 5,000 K-12 students throughout the Twin Cities area in Minnesota.

173 members of ACCYM Senior High pretended to faint at once.

191 people from Canyon Crest Academy joined together for a group hug at their school library.

Leap of Faith organizer Lori Schneider and seven organization members with multiple sclerosis and four with Parkinson's diseases successfully climbed the 19,341-foot summit of Mount Kilimanjaro in Tanzania. They set the record to inspire people with neurodegenerative diseases. Learn more about the feat here.

672 students and staff of LCI Lethbridge cheered at once while watching a computer bar inch forward.

Nate and 35 other people at Lake Merritt in Oakland, California played mason jars as percussion instruments.