It was a momentous event in the country's politico-military history.
A momentous and emotional piece of history unfolded before our eyes.
However, as a large number of economists have recognized, the decision to adopt a single currency is a truly momentous one.
It is obviously a highly significant development which has already had momentous effects on linguistic description.
If we take these developments and interim findings to their logical conclusion, pretty momentous implications arise.
Given these and other momentous changes, one would expect to find "culture" very carefully and sensitively defined in the literature on cultural competence.
In this regard, it is worth mentioning that momentous progress has been achieved recently in structural determination of pigment-protein complexes of other photosynthetic organisms.
The precautionary principle is frequently referred to in various momentous decisions affecting human health and the environment.