बे ओनसोला 1972 माथायनि 20 जानुवारियाव गंसे उदां राजखान्थायारि मानथाय मोनदोंमोन, जेब्ला बियो गंसे अरुमाचल प्रदेश मुङै मिरु खुथायनि ओनसोल हिसाबै पोसावजादोंमोन।
This region acquired an independent political status in January 20, 1972 when it was declared as a Union Territory under the name of Arunachal Pradesh.