Events from the 10th century in, or regarding, Historic Serbia or Serbs.
10th century in Serbia Wikipedia
The following, of the Vlastimirović dynasty, ruled Serbia:Petar (892–917)
Byzantines sends envoys to Serbs and Magyars regarding an alliance against the Bulgarians.
Prince Petar of Serbia annexes Bosnia and Pagania.
Prince Petar comes into conflict with Michael of Zahumlje.
Michael warns the Bulgarians about the Serbian-Byzantine alliance.
End of 20-year-peace between Serbia and Bulgaria;
Prince Petar defends an attack by his cousin and Bulgarian ally Pavle.
Prince Petar is captured by Bulgarian generals, sent to jail in Bulgaria, and dies within a year.
Pavle becomes the Serbian Prince.
Prince Pavle defends an attack by his cousin and Byzantine ally Zaharija.
Zaharija is handed over to Symeon of Bulgaria.
Prince Pavle switches to Byzantine support.
Zaharija is dispatched with Bulgarian troops and there is no more mention of Pavle.
Zaharija becomes the Serbian Prince.
Zaharija revows his loyalty to the Byzantine Empire.
Zaharija united several Slav tribes along the common border to revolt against Bulgaria. Symeon sent an insufficient number of troops to quell the rebels; several Bulgarian generals were killed, their heads and weapons were sent to Constantinople by Zaharija as gifts and signs of loyalty
Časlav is dispatched with Bulgarian troops, forcing Zaharija into exile in Croatia.
Symeon summons the Serbian nobility, to pay homage to their new Prince, Časlav, but instead of instating him, Symeon takes them captive, annexing Serbia.
Michael of Zahumlje disappears from sources.
a church is built in Sočanica.
Croatian-Bulgar battle in eastern Bosnia
927 or 933
Časlav returns to Serbia.
Časlav unites the tribes of Bosnia, Herzegovina, Old Serbia and Montenegro (incorporated Zeta, Pagania, Zahumlje, Travunia, Konavle, Bosnia and Rascia into Serbia, ι Σερβλια).
The Magyars invade Bosnia.
Časlav and his army defeats the Magyars. Kisa, the Magyar Duke, is killed by Tihomir. (see Battle of Drina)
Tihomir receives the Drina župania and marries the daughter of Časlav.
Kisa's widow returns with an army. Časlav is captured and killed.
Tihomir becomes the Serbian Prince.
Saqaliba (Slavs) in the mountainous regions of Central Balkans, "west of the Bulgarians and east from the other Slavs (Croats)", have the reputation of being "the most courageous and violent".
Sviatoslav's invasion of Bulgaria
Serbia is conquered by the Byzantines.
The Catepanate of Ras is established. "John" was the protospatharios and katepano of Ras.
Jovan Vladimir is born.
A Serbian diplomatic mission, possibly sent from Duklja, arrives in the Byzantine capital of Constantinople and was recorded in a charter of the Great Lavra Monastery, written in 993.
Rascia and Bosnia is annexed by Bulgaria.
early 10th century
Čučimir, of the Belojević noble family, holds Travunia.
Byzantine conquest of Bulgaria
10th- or 11th century
"Peter" was the archon of Duklja.
Emperor Basil II (976–1025) installed a garrison in Belgrade.