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Noun1.1840s - the decade from 1840 to 18491840s - the decade from 1840 to 1849  
decade, decennary, decennium - a period of 10 years
References in periodicals archive ?
Helen said: "I'm writing a book on a spate of poison killings in Essex back in the 1840s.
The HMS Erebus and HMS Terror were last seen in the late 1840s.
Fernleigh was built around the 1840s, originally as an early Victorian gentleman's residence and it is believed was originally a mill manager's house.
From the 1840s, they were often located on raised platforms with levers to operate signals and were built in a variety of different designs.
Until the 1840s, Worcester, like every other community in the land, relied on hand pumps, privies and cesspools.
Until then the fine works had been hung at St Michael and All Angels' Church in Withyham, East Sussex, after they were donated by Edward John Ottley in the 1840s.
The Shropshire Union Railways and Canal Company was formed in the 1840s with the intention of switching from canal to rail freight by building tracks along the canal beds.
More than a million people died from starvation and disease and another half a million emigrated when the potato crop failed during the 1840s.
Last year 24 young volunteers went back in time at gothic-style Featherstone Castle in the Tyne Valley - dressed in period costume and working and living as their ancestors would have done in the 1840s.
Washington, Jan 15 ( ANI ): The trend of exchanging Valentines' day greetings was started by a Mount Holyoke College graduate in the 1840s.
A LESSON in reading census records from the 1840s to 1911 will take place at the Warwickshire County Record Office today.
The 370-acre Garfield Farm Museum is the only historically intact former 1840s farmstead and teamster inn being restored by donors and volunteers from 2800 households in 37 states as an 1840s working farm museum.