Prior to 2000 BCE: the region is populated by a Neolithic culture which creates geometric megalithic alignments and which inters its dead in conical stone tombs. This is known as the Beehive Tomb Culture.
2000-1000 BCE: Metal-working arrives with what is thought to be an early Indo-European culture. Pit graves and deeper shaft tombs have been found in the region of Peshod, Lake Poliszchov (Bordurian spelling) and along the valley of the River Prog.
After 800 BCE: Proto-Scythian tribes arrive, bringing advanced metal-working and iron tools.
6th century BCE: A text attributed to Heraclitus of Ephesus lists the Borynidae and Sossanidae as being tribes who ally themselves with the Thracians to oppose the Persian invasion of Thrace.
480 BCE: The Borynidae and Sossonidae are recorded as supplying troops to Xerxes' invasion of Greece.
337 BCE: Alexander the Great defeats the Borynidae in a campaign to subdue the north.
82 BCE: The region becomes part of the Roman world when the Borynid chieftain Mognus submits to the Roman general Gnaeus Silenius Hippo.
80 BCE: The Borynidae rise up against the Romans and sack the Roman town of Colonia Borinium.
64 BCE: The Borynidae and Sossonidae are conquered by the Dacians.
101-2 CE: The lands of the Borynidae are incorporated into the Roman empire following the campaigns of Trajan. The Sossonids remain under independent Dacian rule in what gradually becomes known as Soxonia.
c. 270: Roman Borinia, after decades of barbarian incursions is evacuated. The region returns to the control of the Dacians.
271-290: Sarmatians and Bastarnae settle in Borinia. A warlord known as Peucus becomes “king” of Borinia.
306: Vandals and Goths invade Borinia, driving many of the inhabitants south and westwards.
336: Constantine the Great defeats an army of Goths, Gepids, Sossonids and Borinids. The region remains under Gothic control until around 430 when the region is devastated by the armies of Attila the Hun.
430-451: Borinia is part of the empire of Attila the Hun.
451-567: Borinia is ruled by Gothic and Gepid warlords. Slavic tribes arrive in the region.
567: The Avars invade and incorporate the whole region into the Avar Khaganate.
670: The Khazars invade Borinia and Soxonia, which is now becomes known as Borydia and a Khazar warlord, Abrukh builds a citadel on the site of what will become the city of Soxod, later called Szohôd.
722: The Khazars are defeated by the Bulgars. A Bulkar warlord, Onoga is proclaimed Khan of Borydia.
736: Borydia is invaded by a Byzantine army and is forced to become a vassal.
756: The Byzantines (Eastern Romans) are defeated by a Borydian army at the Battle of Pallimia. Constantinople recognises the Khanate as being an independent kingdom.
810: Borydia is incorporated into the Bulgur Empire.
880: Pechenegs invade Borydia and raze the city of Soxod to the ground.
951: A manuscript in Constantinople records that “the heathen Borydioi and Soxonioi are brought into the Peace of God with the conversion of the people by St Demetrios of Nikopopolis.”.
997: Khan Boris III marries Anna Genios, a Byzantine princess.
1012: A large contingent of Borydian troops is sent to Constantinople to aid the emperor in his wars. They are recorded in the annals as Kataphractoi Borinioi and Skutatoi Borinioi.
1071: Boryd mercenary troops form part of the Byzantine army that is defeated at Manzikert by the Seljuk Turks. They perform relatively well under their leader, Mikel, who is recorded in a manuscript attributed to Michael Psellos as Michael Bordorios.
1090-1140: Greek influence continues to grow in what is now increasingly known as Bordoria or Borduria. Tsar Osen III is granted the imperial title of Sebastocrator by the Emperor John II Komnenos.
1140: The Borynid kingdom is destroyed by steppe invaders. The country is riven by intercommunal warfare. The Slavic prince Boris becomes Voivode of Peshod and restores order.
1183: Dragomir, son of and successor to Boris marries Alicia, the eldest daughter of King Muskar II of Syldavia.
1195: Dragomir of Peshod, now Voivode of Szohôd and de facto heir to the Syldavian crown invades Syldavia and deposes Muskar II, who is imprisoned in the fortress of Poliszchov, across the Bordurian border. The two countries are united under Bordurian rule.