* Codex Zacynthius – Greek palimpsest fragments of the gospel of Saint Luke, obtained in the island of Zante, by General Colin Macaulay, deciphered, transcribed and edited by Tregelles

* Codex Dublinensis ( Codex Z ) of St. Matthew's Gospel, at Trinity College, Dublin, also deciphered by Tregelles

He also, on a journey home from Italy, deciphered in a palimpsest at the Abbey of St. Gall the fragments of Flavius Merobaudes, a Roman poet of the 5th century.

A short inscription which could be in Mysian and which dates from between the 5th and 3rd centuries BC was found in Uyuçik, near Kütahya, and seems to include Indo-European words, but it has not been deciphered.

The few surviving Greek manuscripts provide no clues in themselves, for none of them date before the 13th century ( James ), while the earliest authorities, according to the editor and translator, Montague Rhodes James, are a much abbreviated 6th century Syriac version, and a Latin palimpsest at Vienna of the 5th or 6th century, which has never been deciphered in full.

Others suggest the alphabet was developed in central Egypt during the 15th century BC for or by Semitic workers, but only one of these early writings has been deciphered and their exact nature remains open to interpretation.

Attested as early as the late 15th century BC, it is the earliest known form of Greek ( its precursor, Linear A, has not been deciphered to this day ).

It is a purported translation of an ancient Greek work on Egyptian hieroglyphs based on later Latin versions, all of them unfortunately ignorant of the true meanings of the ancient Egyptian script, which was not correctly deciphered until Champollion in the 19th century.

In the mid-19th century, Henry Rawlinson and others deciphered the Behistun Inscription, which records the same text in Old Persian, Elamite, and Akkadian, using a variation of cuneiform for each language.

Since the late twentieth century, the Maya code has been almost completely deciphered, and the Mayan languages are among the most documented and studied in Mesoamerica.

Ever since the discovery of cuneiform enabled actual Assyrian records to be deciphered in the 19th century, however, historians have ascribed little value to the Greek account.

Most scholars believe it was used for a native Cypriot language ( Eteocypriot ) that survived until the 4th century BC, but the actual proofs for this are scant, as the tablets still have not been completely deciphered.

Music notation was developed in Spain as early as the eighth century ( the so-called Visigothic neumes ) to notate the chant and other sacred music of the Christian church, but this obscure notation has not yet been deciphered by scholars, and exists only in small fragments.

Ancient Egyptian literature was not included in early studies of the history of literature because the writings of Ancient Egypt were not translated into European languages until the 19th century when the Rosetta stone was deciphered.

Saussure's observations, however, did not achieve any general currency until after Hittite was discovered and deciphered in the early 20th century.

For this reason, it had to be deciphered from scratch in 19th century Assyriology.

When they were discovered and deciphered in the early twentieth century, these records confirmed the existence of the Shang, which some scholars had until then doubted.

Ever since the discovery of cuneiform enabled actual Assyrian records to be deciphered in the 19th century, however, historians have ascribed little value to the Greek account.

* Michel de Nostredame, ( 16th century prophet famed since 1555 for prognostications ), known widely for his " Les Propheties " sets of quatrains composed from four languages into a ciphertext, deciphered in a series called " Rise to Consciousness " ( Deschausses, M., Outskirts Press, Denver, CO, Nov 2008 ).

The tablets are dated from the 15th century BC to the 11th century BC and are inscribed with the Linear B script, which was deciphered by Michael Ventris in 1952 and corresponds to a very early form of Greek.

The documents that refer to the estates-general were " deciphered " by Cistercian monks from the Monastery of Alcobaça to perpetuate the myth and justify the legitimacy of the Portuguese crown in the 17th century.

Absent the key, and even the base concept, it remained uncrackable until the late 19th century, when Etienne Bazeries deciphered it after three years of work.

According to Taiwan Journal, Taiwan's Academia Sinica historians and linguistics announced, on February 14, 2006, that their team of researchers have deciphered up to 80 % of the 187 so-called Sinckan Manuscripts ( or Sinkang Manuscripts ), a set of documents from 17th and 18th centuries written in the language spoken by the Siraya people using a system of romanization introduced by the Dutch in the 17th century.

Linear B, a script used in the ancient Aegean, was deciphered in 1952 by Michael Ventris, who demonstrated that it recorded an early form of Greek, now known as Mycenaean Greek.

* Minoan, an old name for the Mycenean language before it was deciphered and discovered to be a form of Greek

The tablets remained long undeciphered, and every conceivable language was suggested for them, until Michael Ventris deciphered the script in 1952 and by a preponderance of evidence proved the language to be an early form of Greek.

He published in facsimile the Antilegomena epistles ( 1886 ), which he deciphered from the WF Williams's manuscript, and edited A Critical Bibliography of the Greek New Testament as Published in America ( 1884 ).

The Hittite texts were introduced in 1930 by W. Porzig, who first made the comparison of Teshub's battle with Illuyankas with the sky-god Zeus ' battle with serpent-like Typhon, told in Pseudo-Apollodorus, Bibliotheke ( I. 6. 3 ); the Hittite-Greek parallels found few adherents at the time, the Hittite myth of the castration of the god of heaven by Kumarbi, with its clearer parallels to Greek myth, not having yet been deciphered and edited.

The mosaic floor Greek inscription had been inaccurately deciphered and says that the St. George oratory was built in A. D. 529, with no mention of " seventy beloved by God " at all.

Those who made LH pottery sometimes inscribed their work with a syllabic script, Linear B, which has been deciphered as Greek.

The code, derived from a combination of algebra and Ancient Greek, was deciphered in the 1930s .< ref name = dempster >

The manuscript, as it was originally presented in 1882, contained hieroglyphs, whose resemblance to real Egyptian hieroglyphs was attested to by Prof. Thomas A. M. Ward, who claimed to have deciphered the hieroglyphics on the Cleopatra's Needle obelisk in Central Park.

An Arabic manuscript of Ibn Wahshiyya's book Kitab Shawq al-Mustaham, a work that discusses a number of ancient alphabets, in which he deciphered a number of Egyptian hieroglyphs, was later read by Athanasius Kircher in the 17th century, and then translated and published in English by Joseph von Hammer-Purgstall in 1806 as Ancient Alphabets and Hieroglyphic Characters Explained ; with an Account of the Egyptian Priests, their Classes, Initiation, and Sacrifices in the Arabic Language by Ahmad Bin Abubekr Bin Wahishih, 16 years before Jean-François Champollion's complete decipherment of Egyptian hieroglyphs.

In 1950 some of the deciphered chapters were published in Collins Magazine, but the work of deciphering the manuscript then had to be abandoned for some time.

Finally, however, the complete manuscript was deciphered and published as a book by Heinemann in 1956.

The manuscript of a sequel, Further Adventures of the Family from One End Street, was damaged in a fire in 1941, and though to be destroyed, but it was partly deciphered and partly assembled from a magazine and finally published in 1956.

In the early 1990s, he designed a Government-sponsored monument to the Egyptologist Jean Francois Champollion who deciphered the Rosetta Stone in Figeac ; in Japan, he took on the curatorship of a show celebrating the Tokyo opening of Barneys New York ; and in Frankfurt, Germany, and in Columbus, Ohio, he conceived neon monuments to the German cultural historian Walter Benjamin.

The first cable sent but not the first to be deciphered described a meeting with Sergei on June 25 and Gommer's ( sic ) forthcoming trip to Tyre ( New York ) where his wife was living with her mother awaiting the birth of a child.

They were deciphered in 1893 by the Danish linguist Vilhelm Thomsen in a scholarly race with his rival, the Germano-Russian linguist Wilhelm Radloff.

Although Whorf's approach to understanding the Maya script is now known to have been misguided, his central claim that the script was phonetic and should be deciphered as such was vindicated by Yuri Knorozov's syllabic decipherment of Mayan writing in the 1950s.

It is one of the oldest deciphered writings of significant length in the world.

British Naval Intelligence had been aware of the arms shipment, Casement's return, and the Easter date for the rising through radio messages between Germany and its embassy in the United States that were intercepted by the Navy and deciphered in Room 40 of the Admiralty.

It is basically a syllabary, that was finally deciphered by Michael Ventris and John Chadwick in the 1950s.

Extending this work, Nirenberg and Philip Leder revealed the triplet nature of the genetic code and deciphered the codons of the standard genetic code.

The language of the Hattusa tablets was eventually deciphered by a Czech linguist, Bedřich Hrozný ( 1879 – 1952 ), who on 24 November 1915 announced his results in a lecture at the Near Eastern Society of Berlin.

The Sumerian historical record remains obscure until the Early Dynastic period, when a now deciphered syllabary writing system was developed, which has allowed archaeologists to read contemporary records and inscriptions.

By contrast, Linear A has not been deciphered since the language of Linear A has not been discovered.

Michael Ventris who, along with John Chadwick, successfully deciphered Linear B, also believed in a link between Minoan and Etruscan.

Michael George Francis Ventris, OBE ( 12 July 1922 – 6 September 1956 ) was an English architect who, along with John Chadwick and Alice Kober, deciphered Linear B, a previously unknown ancient script discovered at Knossos by Arthur Evans.

These Orkhon inscriptions () were published by Vasily Radlov and deciphered by the Danish philologist Vilhelm Thomsen in 1893.

Hittite was deciphered in 1915 by Bedřich Hrozný.

These stones include inscriptions in Latin and ogham script, not all of which have been deciphered.

Unlike the Rosetta Stone, their hieroglyphic inscriptions were relatively intact, and though the inscriptions on the Rosetta Stone had been deciphered long before the discovery of the other copies of the decree, subsequent Egyptologists including Wallis Budge used these other inscriptions to further refine the actual hieroglyphs that must have been used in the lost portions of the hieroglyphic register on the Rosetta Stone.

Perhaps its most important and prominent usage in scientific literature was Nobel laureate Theodor W. Hänsch's reference in a 1979 Scientific American article on spectroscopy where he says that " the spectrum of the hydrogen atoms has proved to be the Rosetta stone of modern physics: once this pattern of lines had been deciphered much else could also be understood ".

* 1822 – Jean-François Champollion announces that he has deciphered the Rosetta stone.

) 22 letters out of the 24 were deciphered.