It also seems poised to win the London mayoralty – a feat the party has achieved only once in the previous four elections.
The feat has been achieved only once on the men's tour, by American Bill Scanlon, who beat Marcos Hocevar, 6-2, 6-0, in 1983.
So, he goes to Flushing Meadows looking for a Canada-Cincinnati-US Open treble achieved only once before, by Andy Roddick in 2003.
She has ended up dominating the series: she has won three of the nine rounds, a feat achieved only once before, and taken second in another.
He could not convert, and so, once again, failed to make it to the fourth round in a Grand Slam event, a feat he has achieved only once, at the 2011 United States Open.
The capsule ejection system was repeatedly tested, but in-air payload recovery was achieved only once during the early years of the program: the capsule released by Discoverer 14 was retrieved on Aug. 18, 1960.
Liberals from the Institute of Contemporary Development, a Russian think tank, countered that successful economic modernization could be achieved only once Russia had established effective democratic institutions, such as the rule of law, an independent judiciary, and press freedom.
They still need to beat Australia - a feat they have achieved only once in 10 Tests since 2001 - and may well have to do so with a new full-back, right wing and scrum-half after Brian Carney and Paul Wellens picked up leg injuries to add to the sickening facial blow suffered by Paul Deacon on Saturday night at Huddersfield.
But the task of turning round a party that has just been ejected from government and making it electable again within a single term is a hard one – achieved only once in the postwar era by Labour in 1974 with a lot of help from Edward Heath.
There is no great difference between the live concert recordings and the studio songs: all of them are full of improvisation and structured anarchy, fluffs and misses; all of them seem to have the rushed gratitude of something achieved only once.
