According to Official Guinness Records,
The most champagne bottles sabered in one minute is 66 and was achieved by Ashrita Furman (USA) at the Sri Chinmoy Centre, Jamaica, New York, USA, on 2 August 2015. Ashrita used an "Arabian sabre" with a 13-inch blade.
For a complete list of 2015 records, please visit 2015 Guinness Records in United States.