In Upper Burma the chief source of revenue is the thathameda, a tithe or income tax which was instituted by King Mindon, and was adopted by the British very much as they found it.
The Mindon prince, who had become apprehensive for his own safety, made him prisoner in February 1853, and was himself crowned king of Burma towards the end of the year.
The new monarch, known as King Mindon, showed himself sufficiently arrogant in his dealings with the European powers, but was wise enough to keep free from any approach towards hostility.
King Mindon died in 1878, and was succeeded by his son King Thibaw.
The independence of the Western Karen-ni states had been guaranteed by the British government in a treaty with King Mindon in 1875.
It was finally abandoned in 1860, when king Mindon occupied Mandalay, 5 or 6 m.