date back

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date back

To have originated at an earlier time. This phrase is often followed by "to" and then the corresponding time frame or historical figure. I know she thinks that this vase is some great antique, but I doubt it dates back more than 30 years. This vase dates back to the Victorian period. This vase dates back to Queen Victoria.
See also: back, date

date back (to someone or some time)

to have origins that extend back to the time of someone or something. This part of the palace dates back to Catherine the Great. This is old! It really must date back.
See also: back, date
References in periodicals archive ?
Indexing dates back to 1984; abstracts date back to 1994.
Dubbed the Nightcap Oak after its discovery in the Nightcap Range rainforest 400 miles north of Sydney, the "relatively nondescript" tree dates back to the days when Australia was part of a super-continent linked to what is now Antarctica, New Zealand, and South America, Dr.
For instance, he reports finding low concentrations of the pollen at a New Mexico site associated with a desert hunter-gatherer society (the San Jose Oshara) that dates back perhaps 6,000 years.
The new archaeological discovery in Saqqara dates back to the late period of Ancient Egypt, from the seventh century BC to the fifth century BC.
The site dates back to the third millennium BC and is related to the extraction and production of copper.
Head of Sweida Archaeological Department Nashaat Kiwan told SANA that some little clay fragments and a clay lamp which dates back to the end of Hellenistic era, as well as a coin, were discovered during the excavations.
It has attracted archaeologists to excavate and investigate its past, as it dates back to the Roman era.
Inundated sites include a Sassanid (224-642 CE) city where human habitation dates back to the Achaemenid era (550-334 BCE), a unique fire temple, an Achaemenid royal house and graves dating back to the early Islamic era.
Pit yacker: is a coal miner and dates back to 1961.
On the other hand, Jabbur said that the directorate began the restoration work in the eastern part of Bazr Bashi Mosque in Homs, which dates back the old Mamluki era.
"It is early to say, but we believe the grave dates back to the clashes between Taliban and groups resisting them.
Peking Man was discovered in the 1920s near Beijing and dates back roughly to between 250,000 and 400,000 years.
The Lion Salt Works in Northwich, which dates back to Roman times, is the only north west building competing against 20 others around the country for heritage lottery cash to help save them from the bulldozers.
The flight data processing system dates back to the 1970s and runs on out-of-production hardware, according to a computer magazine.
Matt and Forest Service research ecologist Paul Alaback have volunteered to join me in a sort of "holy grail" search for truth and light about clearcutting on the Tongass-a project that for me dates back to 1965.