Hadean
The Hadean () is a geologic eon of the Earth pre-dating the Archean. It began with the formation of the Earth about 4.6 billion years ago and ended, as defined by the ICS, 4 billion years ago. , the ICS describes its status as ""informal"". Geologist Preston Cloud coined the term in 1972, originally to label the period before the earliest-known rocks on Earth. W. Brian Harland later coined an almost synonymous term, the "Priscoan period", from "priscus", the Latin word for "ancient". Other, older texts simply refer to the eon as the Pre-Archean.
Hurrians
By the 13th century BCE all of the Hurrian states had been vanquished by other peoples, with the Mitanni kingdom destroyed by Assyria. The heartlands of the Hurrians, the Khabur river valley and south eastern Anatolia, became provinces of the Middle Assyrian Empire (1366–1020 BCE) which came to rule much of the Near East and Asia Minor. It is not clear what happened to these early Hurrian people at the end of the Bronze Age. Some scholars have suggested that Hurrians lived on in the country of Nairi north of Assyria during the early Iron Age, before this too was conquered by Assyria. The Hurrian population of northern Syria in the following centuries seems to have given up their language in favor of the Assyrian dialect of Akkadian, and later, Aramaic.