Newark and Sherwood District Council will begin work today on the UK's first National Civil War Centre.
The £5.4 million project includes a £3.5 million grant from the Heritage Lottery Fund.
Items to go on display include an Iron Age Newark Torc or necklace, an exquisite Anglo-Saxon gold cross, paintings from Newark-born artist Sir William Nicholson and the Byron Press, used to print a number of the early works of the Victorian poet Lord Byron.
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A minute's silence will be observed at 11am today to remember those who lost their lives in the Manchester Arena attack.
There are extra officers out on patrol in Warwickshire after the arrest of a man in Nuneaton in connection with the attack in Manchester.
Another warm day with patchy cloud and sunny spells.