(1) At century's end, historian Frederick Jackson Turner saw the closing of the frontier as the end of an epoch in American history.

(2) When the forms of production come into conflict with existing social relations, a revolutionary epoch arises.

(3) These events marked an epoch in their history

(4) One of these galaxy clusters is the most distant proto-cluster ever found and the other is the most massive known galaxy cluster for its epoch .

(5) The Pliocene epoch

(6) About halfway through the Pliocene epoch several important tectonic events occurred.

(7) The Pleistocene epoch occurred between about 1.8 million and 10,500 years ago.

(8) The culmination of the cooling trend was the Pleistocene epoch , or Great Ice Age, of the last 1.8 million years.

(9) As a result, the constellations at these two different epochs can simulate the GPS and Galileo constellations at a single epoch .

(10) The Victorian epoch

(11) The long Eocene epoch witnessed only four independent first appearances of gastropods with a labral tooth.

(12) In the epoch of globalisation it is impossible to defend social and democratic rights within a national framework.

(13) Mrs Raistrick said the ceremony u251cu00f6u251cu00e7u251cu2510marked an epoch in the educational history of Upper Wharfedale and, we hope, begins a new era of development and progress in education.u251cu00f6u251cu00e7u251cu00fb

(14) His early woodcuts, moreover, influenced a generation and evoke an epoch .

(15) We can even speak of the beginning of a new epoch .

(16) The painting illustrates an epoch in Goan cultural history.

(17) Then for each of the simulated epochs, a median of measurements taken at this epoch was computed.

(18) With that a new epoch in the history of imperialism was introduced.

(19) Welfare reform was an epoch in the history of U.S. social policy

(20) This is the beginning of a new epoch , the beginning of a new great democracy.