original: serbian ruler stefan nemanja begins his sole reign .
simplifications: serbian ruler stefan nemanja begins his sole reign . serbian ruler stefan nemanja begins his sole rule . serbian ruler stefan nemanja begins his reign . serbian ruler stefan nemanja begins his time as one and only ruler . serbian ruler stefan nemanja starts his only reign . serbian ruler stefan nemanja begins his sole reign . serbian ruler stefan nemanja starts his sole reign . serbian ruler stefan nemanja begins his own reign .