This article presents lists of the literary events and publications in 1521.
June 29 or 30 – Neacșu's letter: oldest surviving dateable document written primarily in the Romanian language (in the Romanian Cyrillic alphabet).
August 13 – Marko Marulić's poem Judita ("Judith", written 1501), a landmark in Croatian literature, is printed in Venice by Guglielmo da Fontaneto.
John Siberch is active as a printer in Cambridge, England, the earliest known there.
Codex Ňuu Tnoo - Ndisi Nuu
Jacopo Berengario da Carpi – Commentaria cum amplissimus additionibus super anatomiam Mundini (published in Bologna), containing the first printed anatomical illustrations taken from nature
Henry VIII of England – Defence of the Seven Sacraments (Assertio Septem Sacramentorum)
Niccolò Machiavelli – The Art of War (Dell'arte della guerra)
Piri Reis – Kitab-ı Bahriye
Alexander Barclay – The Boke of Codrus and Mynalcas, the author's "Fourth Eclog"
Henry Bradshaw – The Life of St. Werburgh
Andrew Chertsey, The Passyon of Oure Lorde, translated from French with additional verses inserted and introductory poem by Robert Copland (published in London by Wynkyn de Worde)
Christmas Carols, including "A caroll of huntynge" and "A carol bringyng in the bores heed"
Robert Copland – Introductory verse to The Myrrour & the Chyrche (published in London by Wynkyn de Worde)
A boke of a Ghoostly fader (A Book of a Ghostly Father, published in London by Wynkyn de Worde)
John Skelton, "The Tunnyng of Elynour Rummyng"
1521 in literature Wikipedia
Sir Thomas Chaloner the elder, English statesman and poet (died 1565)
Xu Wei (徐渭), Chinese painter, poet and dramatist (died 1593)
Anne Askew, English poet and Protestant martyr (burned at the stake 1546)
Jorge de Montemor, Portuguese novelist and poet writing in Spanish (died 1561)
Pontus de Tyard, French poet and priest, a member of La Pléiade (died 1605)
May 10 – Sebastian Brant, German satirical poet and humanist (born c. 1457)