Ptolemy I definition of Ptolemy I in the Free Online Encyclopedia.

Ptolemy I (Ptolemy Soter) (tŏl`əmē sō`tər), d. 284 B.C., king of ancient Egypt, the first ruler of the Macedonian dynasty (or Lagid dynasty), son of a Macedonian named Lagus. He was one of the leading generals of Alexander the Great, and after Alexander's death (323 B.C.) he joined the other Diadochi Diadochi [Gr.,=successors], the Macedonian generals and administrators who succeeded Alexander the Great. Alexander's empire, the largest that the world had known to that time, was quickly built. At his death in 323 B.C. it disintegrated even more quickly.
..... Click the link for more information. in dividing and quarreling over the empire. Ptolemy received Egypt and managed to keep control of it in the midst of incessant warfare. To strengthen his position he married Eurydice, daughter of Antipater Antipater , d. 319 B.C., Macedonian general. He was one of the ablest and most trusted lieutenants of Philip II and was a friend and supporter of Alexander the Great. When Alexander went on his Asian campaign, Antipater was left as regent (334–323 B.C.
..... Click the link for more information. (though he soon shifted his affection to her niece and his own half sister, Berenice Berenice , b. c.340 B.C., d. 281 or 271 B.C., consort and half sister of Ptolemy I, king of ancient Egypt. A Macedonian, she was the widow of Philip, one of the officers of Alexander the Great, and was by this marriage the mother of Magas, king of Cyrene; Antigone,
..... Click the link for more information. ). He defeated (321) Perdiccas Perdiccas , d. 321 B.C., Macedonian general under Alexander the Great. After the death of Alexander (323) he ruled as regent from Babylon. He strove in vain to hold the empire together, but was opposed by others of the Diadochi.
..... Click the link for more information. , and he at first supported Antigonus I Antigonus I (Antigonus the One-Eyed or Antigonus Cyclops) , 382?–301 B.C., general of Alexander the Great and ruler in Asia. He was made (333 B.C.) governor of Phrygia, and after the death of Alexander he was advanced by the friendship of Antipater, who with
..... Click the link for more information. in the confused struggle for imperial power. He defeated Eumenes Eumenes , c.361–316 B.C., secretary to Philip II of Macedon and to Alexander the Great. A Thracian Greek, he was capable, diplomatic, and eloquent and proved himself able as a general as well as a secretary.
..... Click the link for more information. , then fearing Antigonus' efforts to remake the empire, allied himself with Cassander Cassander , 358–297 B.C., king of Macedon, one of the chief figures in the wars of the Diadochi. The son of Antipater, he was an officer under Alexander the Great, but there was ill feeling between them.
..... Click the link for more information. and Lysimachus Lysimachus , c.355–281 B.C., Thessalian general of Alexander the Great. He was a commander in Alexander's fleet on the Hydaspes as well as his bodyguard. On Alexander's death (323 B.C.) Lysimachus took control of Thrace. He joined (314 B.C.
..... Click the link for more information. . Ptolemy defeated the troops of Antigonus in 312 but he was defeated at Salamis in 306, and the ultimate defeat and death of Antigonus at Ipsus in 301 resolved the situation. Ptolemy had already declared himself king in 305. Subsequently he laid the outline for Ptolemaic administration in Egypt and did much to make Alexandria a fountainhead of culture and art by founding the library there. Through Arrian, we know that he wrote a history of Alexander.

Bibliography

See J. P. Mahaffy, The Empire of the Ptolemies (1895); E. R. Bevan, A History of Egypt under the Ptolemaic Dynasty (1927); P. M. Fraser, Ptomemaic Alexandria (3 vol., 1972, repr. 1984).

Ptolemy I

called Ptolemy Soter. ?367--283 bc, king of Egypt (323--285 bc), a general of Alexander the Great, who obtained Egypt on Alexander's death and founded the Ptolemaic dynasty: his capital Alexandria became the centre of Greek culture

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No references found			1214-1294, the Franciscan monk, notes in his Opus majus that Ptolemy is the authority for dates from Nabuchonossor through Alexander the Great to Hadrian: Nam Ptolemaeus in Almagesti certificat nos de tempore a Nabugodonosor usque ad Alexandrum, et ab eo usque ad Octavianum Augustum, et ab eo usque ad Adrianum principem. Ptolemy's Almagest: its dates and the dating of Oxford, All Souls ... by Crossley, John N. / The La Trobe Journal Ptolemy I, of the Greek dynasty that ruled Egypt after the Pharaohs, established the original Bibliotheca Alexandria 2,290 years ago. Oldest library, newest censors by Graviak, Dale / New Internationalist Most actual Ptolemaic coins show the various Ptolemies wearing only the diadem which was assumed by Ptolemy I in 305 as a sign of his kingship (after Ptolemy assumed the diadem, Diodorus Siculus tells us in XX. Ptolemy and Strabo and their conversation with Appeles and ... by Joost-Gaugier, Christiane L. / Renaissance Quarterly			pterygoquadrate Pterygota Pteryla PTF ptg PTG&LI Pthreads PTI Ptich Ptilagrostis Ptiliidae Ptilodactylidae Ptilodontoidea ptilolite Ptinidae Ptitsa, Klavdii Ptitsa, Klavdii Borisovich PTM PTN PTOCA Ptolemaic Ptolemaic system Ptolemais Ptolemaïs Ptolemy Ptolemy I Ptolemy I Soter Ptolemy II Ptolemy II Philadelphus Ptolemy III Ptolemy III–XV Ptolemy IV Ptolemy IX Ptolemy V Ptolemy VI Ptolemy VII Ptolemy VIII Ptolemy X Ptolemy XI Ptolemy XII Ptolemy XIII Ptolemy XIV Ptolemy's Theorem Ptomaine ptomaine poisoning Ptosis PTP PTRM PTT Ptukha, Mikhail Ptukha, Mikhail Vasilevich			Ptolemaic Greek Ptolemaic King of Egypt Ptolemaic system Ptolemaic system Ptolemaic theory Ptolemaic theory Ptolemaios Ptolemaios Ptolemaios theorem Ptolemaios' theorem Ptolemaios's theorem Ptolemais Ptolemaïs Ptolemaism Ptolemaist Ptolemäus Ptolemäus Ptolemeic dynasty Ptolemeid Ptolemeus Ptolemeus Ptolemeus theorem Ptolemey Ptolemey Ptolemiac dynasty Ptolemic Ptolemies Ptolemies Ptolemy Ptolemy Ptolemy I Ptolemy I of Egypt Ptolemy I Soter Ptolemy I Soter Ptolemy II Ptolemy II Ptolemy II of Egypt Ptolemy II Philadelphus Ptolemy II Philadelphus Ptolemy III Ptolemy III Euergetes Ptolemy III–XV Ptolemy inequality Ptolemy IV Ptolemy IV Philopator Ptolemy IX Ptolemy IX Lathyros Ptolemy of Alexandria Ptolemy of Alexandria Ptolemy Philadelphos Ptolemy Philadelphus Ptolemy Reid Rehabilitation Centre Ptolemy Soter Ptolemy stone Ptolemy stone Ptolemy theorem Ptolemy V Ptolemy V Epiphanes Ptolemy VI Ptolemy VI Philometor