Reference for Bava Batra 328:8

ודלמא דאריך מלכותיה אמר רב הושעיא כך מנהגה של אומה זו שנה ראשונה קורין לו ארכן שניה קורין לו דיגון

Is it not possible that he was deposed and re-appointed?<span class="x" onmousemove="('comment',' And thus assumed the title of 'archon', a second time. Since there may have been a difference of some years between the first and second archonship, and since the deed may have been written in the second, how could R. Hanina decide that the year of the first archonship was to be regarded as the date of the deed? ');">²⁵</span> — R. Jeremiah replied: [In] such [a case] he is designated, 'archon-digon'. Our Rabbis taught: [In the case where a person said.] 'I am to be a nazarite',<span class="x" onmousemove="('comment',' If no period has been specified the term is thirty days. ');">²⁶</span> Symmachus said, [if he added], hena<span class="x" onmousemove="('comment',' [G] acc. of [G], 'one'. ');">²⁷</span>

Jastrow