Although there has been speculation that it was under the Kamarupa Kingdom or the Tibetan Empire in the 7th to 9th centuries, firm evidence is lacking.
Meskipun terdapat spekulasi bahwa Bhutan pernah di bawah Kerajaan Kamarupa atau Kekaisaran Tibet pada abad ke-7 sampai abad ke-9, namun kurangnya bukti yang kuat.