In the 2nd and 3rd century CE, those at Didyma and Clarus pronounced the so-called " theological oracles ", in which Apollo confirms that all deities are aspects or servants of an all-encompassing, highest deity.

The type is represented by neo-Attic Imperial Roman copies of the late 1st or early 2nd century, modelled upon a supposed Greek bronze original made in the second quarter of the 5th century BCE, in a style similar to works of Polykleitos but more archaic.

In the late 2nd century CE floor mosaic from El Djem, Roman Thysdrus, he is identifiable as Apollo Helios by his effulgent halo, though now even a god's divine nakedness is concealed by his cloak, a mark of increasing conventions of modesty in the later Empire.

The earliest known written documentation of the Chinese abacus dates to the 2nd century BC.

It was one of the 48 constellations listed by the 2nd century AD astronomer Ptolemy, and it remains one of the 88 modern constellations.

* Metrodorus of Stratonicea ( late 2nd century BC )

* Gotama ( c. 2nd – 3rd century CE ), wrote Jaimini, author of Purva Mimamsa Sutras.

* Alcinous ( philosopher ) ( 2nd century AD )

* Take two: Aspirin, New uses and new dangers are still being discovered as aspirin enters its 2nd century.

Akkadian gradually replaced Sumerian as a spoken language somewhere around the turn of the 3rd and the 2nd millennium BC ( the exact dating being a matter of debate ), but Sumerian continued to be used as a sacred, ceremonial, literary and scientific language in Mesopotamia until the 1st century AD.

A 2nd century AD papyrus of Alcaeus, one of the many such fragments that have contributed to our greatly improved knowledge of Alcaeus ' poetry during the 20th century ( P. Berol.

Alcamenes () was an ancient Greek sculptor of Lemnos and Athens, who flourished in the 2nd half of the 5th century BC.

), one 2nd century BC ( Basil Mandilaras, ' A new papyrus fragment of the Certamen Homeri et Hesiodi Platon 42 ( 1990 ) 45 – 51 ) and one 2nd or 3rd century AD ( University of Michigan pap.

Alexander was a native of Aphrodisias in Caria and came to Athens towards the end of the 2nd century.

The document is dated to the 2nd century BC and, in the form of a vision, briefly discusses dualism and the Watchers:

* Andronicus ben Meshullam, a Jewish scholar of the 2nd century BC

The numerals used in the Bakhshali manuscript, dated between the 2nd century BCE and the 2nd century CE.

Sudovia and neighboring Galindia were two Baltic tribes or nations mentioned by the Greek geographer Ptolemy in the 2nd Century A. D. as Galindai and Soudinoi, ( Γαλίνδαι, Σουδινοί ).

The 2nd century geographer Claudius Ptolemy mentions that the Kasouarioi lived to the east of the Abnoba mountains, in the vicinity of Hesse.

The Greek geographer Ptolemy had already written of two Baltic tribe / nations by name, the Galindai and Soudinoi ( Γαλίνδαι, Σουδινοί ) in the 2nd Century A. D.

* Hipparchus ( 2nd century BC ) Greek astronomer, geographer, and mathematician

In 1868 he was invited by the German geographer August Petermann to participate in the 1869-1870 2nd German North Polar Expedition ( Germania under Carl Koldewey ).

In the 2nd century CE, the geographer Pausanias attests to a Magnesian ( Lydian ) cult to " the Mother of the Gods ", whose image was carved into a rock-spur of Mount Sipylus.

Agatharchides ( Ἀγαθαρχίδης or Agatharchus Ἀγάθαρχος ) of Cnidus was a Greek historian and geographer ( flourished 2nd century BC ).

According to the ancient geographer Ptolemy, writing in the 2nd century AD, Dunium was the main settlement of the Durotriges.

By the 2nd century, the geographer Ptolemy gave coordinates for a surprisingly detailed map of Ireland, naming tribes, towns, rivers and headlands.

The Greek geographer Ptolemy drew a map of Ireland in the 2nd century which included the Boyne, which he called Βουουινδα ( Bououinda ), and somewhat later Giraldus Cambrensis called it Boandus.

After viewing the walls of the ruined citadel in the 2nd century AD, the geographer Pausanias wrote that two mules pulling together could not move even the smaller stones.

The 2nd century geographer, Ptolemy, locates Rhapta at latitude 8º south, which is the exact latitude of the Rufiji Delta and Mafia Island.

The 2nd century geographer Ptolemy produced a map of Britain in his Geography, in which he describes the landmarks and peoples of the island.

* Dionysius Periegetes, Greek geographer, 2nd or 3rd century

The 2nd century geographer Claudius Ptolemy lists the Agathyrsi among the tribes in ' European Sarmatia ', between the Vistula and the Black Sea

Pausanias (; Ancient Greek: Pausanías ) was a Greek traveler and geographer of the 2nd century AD, who lived in the times of Hadrian, Antoninus Pius and Marcus Aurelius.

The ancient Greeks also had knowledge of the Antrim Coast and Ptolemy, the astronomer and geographer of the 2nd century AD, referred to Islandmagee on one of his maps.

In 1607 the Elizabethan antiquarian William Camden noted in his work " Brittania " ( a topographical and historical survey of all of Great Britain and Ireland ) that Canvey Island ( which he called Island Convennon ) was documented in the 2nd century by the Alexandrian geographer Ptolemy.

In the 2nd century AD, the geographer Claudius Ptolemy listed some Borusci living in European Sarmatia ( in his Eighth Map of Europe ), which was separated from Germania by the Vistula Flumen.

: There is another Artemidorus Ephesius, a geographer who lived between the 2nd and 1st centuries BC.

The river was known to the Romans as the Itouna, as recorded by the Greek geographer Claudius Ptolemaeus ( Ptolemy ) in the 2nd century AD.

Pausanias, who lived in the 2nd century AD, was also a geographer.

* In the 2nd century AD, Ptolemy, the geographer and astronomer from Alexandria, drafted a map that shows the city of Albanopolis ( located Northeast of Durrës ).

One of the earliest surviving accounts of Telavi is from the 2nd century AD, by Greek geographer Claudius Ptolemaeus, who mentions the name Teleda ( a reference to Telavi ).