The birth of Christ was the beginning of a major epoch of world history.
Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.
The development of the steam engine marked an important epoch in the history of industry.
The Civil War era was an epoch in 19th-century U.S. history.
The invention of nuclear weapons marked an epoch in the history of warfare
The Pleistocene epoch
The last time levels were this high was during the Eocene epoch 55 million years ago, when mammals, including horses, bats and whales.
With paintings of this epoch and calibre, you don't need an argument, especially when an original story may be hard to find.
The first earth satellite marked a new epoch in the study of the universe
An epoch of social revolution
Phoenix and Lubbock are both caught in severe drought, and it is going to get much worse. We may see many such [dust] storms in the decades ahead, along with species extinctions, radical disturbance of ecosystems, and intensified social conflict over land and water. Welcome to the Anthropocene, the epoch when humans have become a major geological and climatic force.
The continuous data were epoched into segments of 1500 ms (starting 500 ms before visual stimulus onset), time-locked to stimulus onset (0 ms) and sorted according to experimental conditions.
