Past breakups on Nov 21st
No breakups recorded on this day.
Earliest: 2016 on April 23rd
Latest: 1964 on May 28th
As the focus of a vigorous betting tradition, the exact time and date of breakup has been recorded annually since 1896. These breakup times note the moment when the ice moves the tripod on the Yukon River at Dawson.
A full list of past break up dates is available here.