New historicism is a form of literary theory whose goal is to understand intellectual history through literature, and literature through its cultural context, which follows the 1950s field of history of ideas and refers to itself as a form of "Cultural Poetics". It was first developed in the 1980s, primarily through the work of the critic and University of California, Berkeley English professor Stephen Greenblatt and gained widespread influence in the 1990s. The term new historicism was coined by Greenblatt when he "collected a bunch of essays and then, out of a kind of desperation to get the introduction done, I wrote that the essays represented something I called a 'new historicism'".
- that every expressive act is embedded in a network of material practices;
- that every act of unmasking, critique and opposition uses the tools it condemns and risks falling prey to the practice it exposes;
- that literary and non-literary "texts" circulate inseparably;
- that no discourse, imaginative or archival, gives access to unchanging truths, nor expresses inalterable human nature;
- ... that a critical method and a language adequate to describe culture under capitalism participate in the economy they describe.
"Sub-literary" texts and uninspired non-literary texts all came to be read as documents of historical discourse, side-by-side with the "great works of literature". A typical focus of new historicist critics, led by Stephen Orgel, has been on understanding Shakespeare less as an autonomous great author in the modern sense than as a means of reconstructing the cultural milieu Renaissance theatre—a collaborative and largely anonymous free-for-all—and the complex social politics of the time. In this sense, Shakespeare's plays are seen as inseparable from the context in which he wrote (see contextualism, thick description). Influential historians behind the eruption of the new historicism are Lynn Hunt and Michel Foucault, as they both taught at UC-Berkeley during its rise as a postmodern approach to history.
In this shift of focus, a comparison can be made with the best discussions of works of decorative arts. Unlike fine arts, which had been discussed in purely formal terms, comparable to the literary New Criticism, under the influences of Bernard Berenson and Ernst Gombrich, nuanced discussion of the arts of design since the 1970s have been set within social and intellectual contexts, taking account of fluctuations in luxury trades, the availability of design prototypes to local craftsmen, the cultural horizons of the patron, and economic considerations—"the limits of the possible" in economic historian Fernand Braudel's famous phrase. An outstanding pioneer example of such a contextualized study was Peter Thornton's monograph Seventeenth-Century Interior Decoration in England, France and Holland (1978).
In its historicism and in its political interpretations, new historicism is indebted to Marxism. But whereas Marxism (at least in its more orthodox forms) tends to see literature as part of a 'superstructure' in which the economic 'base' (i.e. material relations of production) manifests itself, new historicist thinkers tend to take a more nuanced view of power, seeing it not exclusively as class-related but extending throughout society. This view derives primarily from Michel Foucault.
In its tendency to see society as consisting of texts relating to other texts, with no 'fixed' literary value above and beyond the way specific cultures read them in specific situations, new historicism is a form of postmodernism applied to interpretive history.
New historicism shares many of the same theories as with what is often called cultural materialism, but cultural materialist critics are even more likely to put emphasis on the present implications of their study and to position themselves in disagreement to current power structures, working to give power to traditionally disadvantaged groups. Cultural critics also downplay the distinction between "high" and "low" culture and often focus predominantly on the productions of "popular culture" (Newton 1988).  New historicists analyse text with an eye to history. With this in mind, new historicism is not "new". Many of the critiques that existed between the 1920s and the 1950s also focused on literature's historical content. These critics based their assumptions of literature on the connection between texts and their historical contexts (Murfin & Supriya 1998).
New historicism also has something in common with the historical criticism of Hippolyte Taine, who argued that a literary work is less the product of its author's imaginations than the social circumstances of its creation, the three main aspects of which Taine called race, milieu, and moment. It is also a response to an earlier historicism, practiced by early 20th century critics such as John Livingston Lowes, which sought to de-mythologize the creative process by reexamining the lives and times of canonical writers. But new historicism differs from both of these trends in its emphasis on ideology: the political disposition, unknown to the author that governs their work.
There is a popularly held recognition that Foucault's ideas have passed through the new historicist formation in history as a succession of épistèmes or structures of thought that shape everyone and everything within a culture (Myers 1989). It is indeed evident that the categories of history used by new historicists have been standardized academically. Although the movement is publicly disapproving of the periodization of academic history, the uses to which new historicists put the Foucauldian notion of the épistème amount to very little more than the same practice under a new and improved label (Myers 1989).
Carl Rapp argues that "[the new historicists] often appear to be saying, 'We are the only ones who are willing to admit that all knowledge is contaminated, including even our own'".
Camille Paglia likewise cites "the New Historicism coming out of Berkeley" as an "issue where the PC academy thinks it's going to reform the old bad path, I have been there before they have been, and I'm there to punish and expose and to say what they are doing...a piece of crap." Elsewhere, Paglia has suggested that new historicism is "a refuge for English majors without critical talent or broad learning in history or political science. ... To practice it, you must apparently lack all historical sense."
Sarah Maza argues that "[Catherine] Gallagher and Greenblatt seem oblivious of the longer range of disciplinary development in history; they reject grand narratives as extensions of nineteenth- and twentieth-century nationalist, socialist or whiggish programs, obfuscating the fact that such mid-twentieth century innovations as histoire totale and quantified social history, large in scale as they were, originated from a desire to make history more democratic and more inclusive."
- David Mikics, ed. A New Handbook of Literary Terms, 2007, s.v. "New historicism".
- Greenblatt, Stephen (2007). Learning to Curse. Routledge. p. 197. ISBN 978-0415771603.
- Veeser, ed. The New Historicism, (Routledge, Chapman and Hall) 1989, "Introduction", p. xi. Nineteen essays by contributors.
- An "ancestor" of the new historicism noted in Mikics is C. L. Barber's Shakespeare's Festive Comedy (1959), which set the comedies against a contemporary cultural background of popular traditions like the "lord of misrule", where authority was inverted, transgressed and burlesqued.
- "Archived copy". Archived from the original on 2006-05-03. Retrieved 2006-05-03.CS1 maint: Archived copy as title (link) Myers, D. G. 1989, The New Historicism in Literary Study, viewed 27 April 2006
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- Sarah Maza, "Stephen Greenblatt, New Historicism, and Cultural History, or, What We Talk about When We Talk about Interdisciplinarity", Modern Intellectual History 1, no. 2 (2004): 262.
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- Orgel, Stephen. The Authentic Shakespeare. Routledge, 2002.
- Parvini, Neema. Shakespeare and Contemporary Theory: New Historicism and Cultural Materialism. Bloomsbury, 2012.
- Parvini, Neema. Shakespeare and New Historicist Theory. Bloomsbury, 2017.
- Rice, P. & Waugh, P. 1989, Modern literary theory: a reader, 2nd edn, Edward Arnold, Melbourne.
- Seaton, J. 1999, "The metaphysics of postmodernism", review of Carl Rapp, Fleeing the Universal: The Critique of Post-rational Criticism (1998), in Humanitas 12.1 (1999), viewed 29 April 2006, 
- Veeser, H. Aram (Ed.). The New Historicism. Routledge, 1989.
- New Historicism from the Johns Hopkins Guide to Literary Theory and Criticism