20 minutes later, the women's lightweight double sculls team of Sophie Hosking and Katherine Copeland did the same
In cycling Laura Trott, Dani King and Jo Rowsell crushed the United States to win the team pursuit. They claimed victory in a time of 3:14.051 to set their sixth successive world record.
Later, at the Olympic Stadium, Jessica Ennis, Greg Rutherford and Mo Farah capped a historic day - the best ever for GB athletics - by winning the heptathlon, long jump and 10,000m in front of 80,000 jubilant spectators.
It was a late night, and all the stamps were at the post office locally by 11.30 am.