He was active during the Long Turkish War, having led the Uprising in Banat (1594) and then joined the Transylvanian Army with other notable Serb leaders.
[3] On 27 April, in an act of retaliation, Grand Vizier Koca Sinan Pasha had the relics of Saint Sava incinerated at Vračar; made to discourage the Serbs, it instead intensified the rebellion.
[3] Đorđe Palotić, the Ban of Lugos, stole armament which he sent to the rebels, and encouraged them to continue to fight; he subsequently promised that the Transylvanian Duke, Sigismund Báthory, would soon appear to them.
[4] Known as ban Sava at the time, he, Teodor and Velja Mironić signed and sent a letter in the name of "all spahee and knezes, all of Serbdom and Christianity", to the Transylvanian nobleman Mózes Székely, who was already at the frontier, asking for aid in the uprising,[4] to send troops as soon as possible.
[9] Báthory's army which headed to liberate Timișoara, included notable Serbs, such as Đorđe Rac, Deli-Marko, and Sava Temišvarac.
[14] Emperor Rudolf II gave him the rank of colonel, but Temišvarac was not pleased, as this decision only had value in war-time when he wanted to secure a decent living in peace-time.
[8] At the same time, there were great turn of events, Emperor Rudolf II started quarreling with his brother, Matthias, during which Temišvarac, Đorđe Rac and Deli-Marko supported the latter, joining with their people.
[14] The Serb refugees then asked the War Council to assign them some deserted villages around Győr, in order to broaden their military frontier (krajište).
[14] Some Serb nobility accepted military service in the end of 1609, while Sava Temišvarac was sent for to Vienna in 1610 on the request of King Matthias, where he received a diploma which praised and raised his military work, when he had, as a commander of thousands of Serb cavalry, campaigned in Upper Hungary, Transylvania and the Czech lands.
[16] Али Секељ не хтеде ни сада прећи ердељску границу, већ остави Србе њиховој судбини.