He grew up during the period when Kamehameha I united the islands into a single kingdom.
Essex emerged as a single kingdom during the 6th century.
He eventually united Sumer briefly as a single kingdom.
This probably was the reason to consider Kasi-Kosala as a single kingdom.
The various independent regions would not be united into a single Georgian Kingdom until the beginning of the 11th century.
The territory of what became England was united into a single kingdom by 927.
He ultimately unified the whole of the Hawaiian islands into a single kingdom by 1810.
Whatever else Charis may be, it's only a single kingdom.
Before your arrival, I would have said we couldn't-that no single kingdom could possibly hope to.
By then all German peoples were united in a single kingdom.