A late 18c and early 19c movement in art, literature and music, characterized by an emphasis on feelings and emotions, often using imagery taken from nature, and creating forms which are relatively free from rules and set orders.

From Encyclopedia of the Romantic Era, 1760-1850
In popular cultural reception, the literary legacy of “Romanticism” tends to be identified with the idea of “imagination.”

From The Welsh Academy Encyclopaedia of Wales
Although Romanticism appeared in Wales at the end of the 18th century, its roots are to be found in the work of antiquarians at the end of the 17th, with their enthusiasm for the remote Celtic and druidic past.

From The Bloomsbury Dictionary of English Literature
Since the term `modernism' was first used earlier in the 20th century, its meaning has developed and been revised. It is now agreed to mean the influential international movement in literature, drama, art, music and architecture which began in the latter years of the 19th century and flourished until at least the 1920s.

Period of mid- and late- 19th century in England, covering the reign of Queen Victoria from 1837 to 1901.

From Reader's Guide to British History
The explosion of documentary evidence which the Victorian age produced has helped make it the most intensively studied of any period of British history. As result, in a brief introduction of this sort, it is possible to consider only works which make some effort to encompass the period as a whole.