The killings are considered one of the first instances of genocide in the 20th century.
It exemplifies one of the first instances of American creativity that was global in consequences".
The first instances of wrongdoing – very often nuisance or antisocial behaviour – must be dealt with effectively.
These are the first instances of a remote control operating at temperatures of reaction below 250°C.
The sculpture unrepentantly lacked any aesthetic beauty and marked one of the first instances of purely conceptual art in China.
His company licensed the Chinese design, marking one of the first instances of Chinese coal technology's coming to America.
We have also had one of the first instances in our university of a male colleague sharing parental leave.
These Neolithic temples are among the first instances in Europe of buildings erected for a particular functional purpose.
The Mongol Era brought about the first instances of direct contact between Europe and Mongol-ruled China.
Pepper's acquisition of Freeh's firm is among the first instances of a law firm acquiring one of these groups outright.
This is usually one of the first instances in which I've truly discussed current events in my classroom.
