The phrase "a singular event that" is correct and usable in written English.
It can be used to describe a unique occurrence or incident that stands out in some way.
Example: "The festival was a singular event that brought together artists from around the world to celebrate creativity."
Alternatives: "a unique occurrence that" or "an exceptional event that".
The Holocaust is a singular event that should teach us not to turn away from those who now suffer mass murder, as in Darfur, who need more than ever for the whole world to listen and act.
Throughout much of his political career, Senator John Kerry, the presumptive Democratic nominee for president, has faced questions about a singular event that took place 33 years ago last week: he and fellow veterans discarded medals in Washington to protest the war in Vietnam.
"Enriched by a singular event that is larger than life, I no longer have the luxury of being ordinary".
Mankell also says that he sees theatre as very close to life, since every performance is a singular event that can never be repeated.
Here I argue that the eukaryotic cell originated in a unique prokaryotic endosymbiosis, a singular event that transformed the selection pressures acting on both host and endosymbiont.
While diagnosis and reporting may be ongoing during an investigation, the initial recognition of an outbreak is a singular event that can occur at the peripheral or primary care setting or at the local, state, or federal level.
Indeed, the growing evidence of such losses "strengthens the conclusion that increased mass bleaching of corals constitutes a strong warning signal for the singular event that would constitute the irreversible loss of an entire biome".
But in this record-breaking season — defined by the Weather Service as June through August — there was no cataclysm, no singular event that was likely to define a three-month period when the temperature averaged 77.8 degrees.
And large scale, genome-wide phylogenetic studies [ 42- 46] suggest that an endosymbiosis between prokaryotes might well have been the singular event that broke the eternal loop of prokaryotic simplicity.
Race makes itself known in crisis, in the singular event that captures a larger pattern of abuse and pain.
