The most important dates in the history of the Roman Law begins in 753 B.C. with the foundation of Rome, and finish in 534 A.D. with the Codex Repetitae Praelectionis.
. 753 B.C.: Foundation of Rome.
. 510 B.C.: Expulsion of the Kings.
. 451 - 448 B.C.: The XII Tables.
. 367 B.C.: Office of Praetor and Curule Aediles instituted.
. 304 B.C.: Ius Flavianum published.
. 300 B.C.: Lex Ogulnia.
. 287 B.C.: Lex Hortensia.
. 286 B.C.: Lex Aquilia.
. 242 B.C.: Appointment of Praetor Peregrinus
. 200 B.C.: Lex Plaetoria
. 120 B.C.: Lex Aebutia
. 91 - 89 B.C.: The Social War.
. 49 B.C.: Julius Caesar attains power.
. 44 B.C.: Julius Caesar assassinated.
. 40 B.C.: Lex Falcidia.
. 27 - 14 A.D.: The Principate of Augustus / Ius Respondendi instituted / Fideicommissa and Codicilli introduced.
. 4 A.D.: Lex Aelia Sentia.
. 9 A.D.: Lex Julia et Papia Poppaea.
. 14 - 37 A.D.: Tiberius.
. 37 - 41 A.D.: Caligula.
. 41 - 54 A.D.: Claudius.
. 69 A.D.: Sc. Macedonianum.
. 54 - 68 A.D.: Nero.
. 69 - 79 A.D.: Vespasian.
. 79 - 81 A.D.: Titus.
. 81 - 96 A.D.: Domitian.
. 96 - 98 A.D.: Nerva.
. 98 - 117 A.D.: Trajan.
. 117 - 138 A.D.: Hadrian / Edictum Perpetuum of Salvius Julianus.
. 138 - 161 A.D.: Antoninus Pius / Institutes of Gaius.
. 161 - 169 A.D.: M. Aurelius and L. Verus.
. 169 - 180 A.D.: M. Aurelius.
. 180 - 193 A.D.: Commodus.
. 193 - 211 A.D.: Septimius Severus.
. 211 - 217 A.D.: Caracalla.
. 222 - 235 A.D.: Alexander Severus.
. 238 - 244 A.D.: Gordian.
. 285 - 286 A.D.: Diocletian.
. 286 - 305 A.D.: Diocletian and Maximian / Division of the Empire.
. 305 - 306 A.D.: Constantius I and Galerius.
. 306 A.D.: Constantius I, Galerius and Constantine.
. 306 A.D.: Codex Gregorianus.
. 307 - 311 A.D.: Galerius, Constantine and Licinius.
. 311 - 323 A.D.: Constantine and Licinius.
. 323 - 337 A.D.: Constantine.
. 364 A.D.: Valentinian II and Valens.
. 365 A.D.: Codex Hermogenianus.
. 408 - 450 A.D.: Theodosius I, Emperor of the Eastern Empire.
. 425 - 455 A.D.: Valentinian III, Emperor of the Western Empire.
. 426 A.D.: Law of Citations.
. 438 A.D.: Codex Theodosianus.
. 457 - 474 A.D.: Leo II, Emperor of the Eastern Empire.
. 476 A.D.: End of the Western Empire.
. 474 - 491 A.D.: Zeno, Emperor of the East.
. 491 - 518 A.D.: Anastasius I.
. 500 A.D.: Edictum Theodorici.
. 506 A.D.: Breviarium Alaricianum.
. 517 A.D.: Lex Romanum Burgundionum.
. 518 - 527 A.D.: Justin.
. 527 - 565 A.D.: Justinian.
. 529 A.D.: Codex Vetus.
. 529 - 532 A.D.: Quinquaginta Decisiones.
. 533 A.D.: Publication of Digest and Institutes.
. 534 A.D.: Codex Repetitae Praelectionis.
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Source:
Roman Law, L. B. Curzon, pages 202 - 203.