I'm reposting some of the stuff, since I changed the format slightly and altered a few dates.
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651 AUC (103 BC)
- Alexander Jannaeus succeeds Aristobulus I as King of Judea.
652 AUC
- The Romans, under the command of Gaius Marius, defeat the Teutones at Aquae Sextiae.
- The Seres [1] capture Kokand.
653 AUC
- The Romans, under Marius, defeat the Cimbri at Vercellae.
- Cleopatra III dies.
- Ptolemy Apion inherits Cyrenaica.
654 AUC
- POD Gaius Memmius, a candidate for Consul, dies of natural causes. [2]
- Tigranes II of Armenia is placed on the Armenian throne by Parthians.
655 AUC
- The Sicilian Slave Revolt is crushed.
656 AUC
- Civil war breaks out in Parthia between the current king, Mithridates II, and a rival claimant, Gotarzes I.
657 AUC
- The Romans, under the command of Quintus Caecilius Metellus Nepos, conquer Crete.
658 AUC
- Ptolemy Apion dies and wills Cyrenaica to the Roman Republic.
- Antiochus IX defeats Seleucus VI for control of the Seleucid Empire. The current King, Antiochus VIII is murdered, along with his potential heirs. [3]
659 AUC
- Nicomedes, the son of Nicomedes II, king of Bithynia, dies while traveling in Pontus.
660 AUC (94 BC)
- The Lex Livia is passed, which, among other things, extends Roman citizenship to most of the Italian allies. [4]
- Nicomedes II invades Pontus. [5]
661 AUC
- After suffering several defeats by Mithridates VI, Nicomedes requests Roman aid in their war against Pontus. The Roman Republic dispatches Lucius Cornelius Sulla to command the campaign.
662 AUC
- Emperor Wu Di of Serica opens the state examinations to all classes, and encourages those of lower classes to take the examinations. [6]
663 AUC
- Nicomedes II dies, and wills his kingdom to the Roman Republic.
- Tigranes II invades the Seleucid Empire.
664 AUC
- The Romans, under the command of Sulla, defeat the Pontians, under Mithridates VI at Nicomedia. Mithridates sues for peace, ending the first Mithridatic War.
- Antiochus IX requests Roman assistance against Tigranes II. Sulla is dispatched to assist.
665 AUC
- Sulla meets with Gotarzes and agrees to support him after the war with Armenia is concluded.
666 AUC
- The Romans, under the command of Sulla, defeat the Armenians, under Tigranes II, at Samosata. Tigranes sues for peace, ending the first Armenian War.
- The Seleucid Empire becomes a client kingdom of Rome. [7]
667 AUC
- Wu Di dies and is succeeded by his son, Zhao Di.
668 AUC
- The Roman Senate, fearful of his growing popularity, orders Sulla to disband his army and return to Rome to face charges of corruption. Sulla refuses and marches on Rome. [8]
- Quintus Sertorius is named dictator in response to Sulla's defiance. [9]
- Sulla defeats a small Senatorial army at Venusia. The survivors are massacred. [10]
- A Senatorial army, under the command of Sertorius, defeats Sulla's army at Capua. Sulla commits suicide.
669 AUC
- The Lex Julia is passed, designed to prevent any generals from attempting to take over the Republic. [11]
- Gotarzes I dies, and is succeeded by Orodes I.
670 AUC (84 BC)
- The Lex Pompeia is passed, organizing new voting tribes for the Italians.
671 AUC
- Mithridates VI and Tigranes II place a rival claimant to Ariobarzanes I on the throne of Cappadocia.
672 AUC
- Sertorius is sent with a large army to restore Ariobarzanes as king of Cappadocia, beginning the Second Mithridatic War.
673 AUC
- Mithridates II of Parthia dies and is succeeded by Phraates III.
674 AUC
- Mithridates defeats the Syrians at Antioch, and has Antiochus killed. The former Seleucid territories nominally fall under Roman rule, as per Antiochus' will.
- The Romans, under Sertorius, defeat the Pontians, under Mithridates VI, at Sinope.
675 AUC
- The Romans, under Sertorius, defeat the Pontians at Zela. However, Sertorius is killed in battle.
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[1] The Chinese
[2] In our timeline, Memmius' death was orchestrated by Lucius Appuleius Saturninus, a political ally of Marius. In the resulting fallout, the Senate ordered Marius to apprehend Saturninus and his followers. Marius complied and was close to peacefully solving the riots, when some of the Optimates were able to stone Saturninus to death. This incident cost Marius much of his reputation and further weakened the rule of law in the Republic.
[3] A divergence from our timeline, where Seleucus VI defeated Antiochus IX.
[4] In our timeline, Marcus Livius Drusus was a proponent of the extension of the vote to the Italians. He wished to extend citizenship to actually weaken the popular demagogues of the time, by creating a new voting force loyal to the Senate. However, he alienated both the populares and the optimates, and was assassinated. In this timeline, Marius is not discredited by Saturninus, but does wish to distance himself from the fiery tribune. He sides with Drusus, providing him with the support needed to pass, and - more importantly - enforce, his laws. With the extension of citizenship, the entire Social War is averted. With no Social War, Mithridates VI won't have the opportunity to attack Roman holdings in Asia.
[5] It is possible that Mithridates VI, king of Pontus, orchestrated the death of Nicomedes, to provoke his neighbor into war, allowing Mithridates the opportunity to weaken a Roman ally in the region.
[6] This seemingly egalitarian move is implemented to limit the power of the landed gentry.
[7] The Seleucid Empire is referred to as the Kingdom of Syria from this point on.
[8] Due to the short lived nature of this war, it is not considered a true civil war, but a mere uprising.
[9] Sertorius is a very interesting character. He was a brilliant general who set up a Republic in Spain during the various civil wars. His republic included large numbers of Celtiberian natives. Never defeated in combat, Sertorius was eventually betrayed and assassinated.
[10] The Senatorial army, though outnumbered, held off Sulla's forces for much longer than was expected. This drew grudging admiration from Sulla's troops, the eternal gratitude of the Republic, and equal fury from Sulla. After this incident, a large contingent of Sulla's troops defect.
[11] The Lex Julia mainly targets the Roman Legions. It effectively states that any soldier that takes arms against the Republic forfeits his pay, pension, and citizenship, regardless of who should win in a civil war. While this would be unenforceable in the short term, should a usurper actually succeed, the hope is that when the usurper is out of power, the law could be enforced. All loyal troops that do not already own property are guaranteed sizable tracks of land.