The King of the UK in 1918 was HM King George V, who is the current Queen's grandfather.
1840
King George I reigned from August 1714 - 11 June 1727. King George I was King of The United Kingdom of Great Britain, and, separately, King of Ireland. There was no "English Throne" in 1722 - see the related question link below.
Waitingi Day happened- a treaty was signed between Britain and New Zealand.
Charles Hindley (June 25, 1796 - December 1, 1857) succeeded George Williams as the second Member of Parliament for Ashton-under-Lyne, serving between 1835 and his death, including the whole of 1840.
Australia was a colonial outpost of Britain in 1840, it did not have a Prime Minister.
Stevens T. Mason (born October 27, 1811 in Leesburg, Virginia; died Janaury 4, 1843 in New York, New York), the first Governor of Michigan, served between October 6, 1835 and January 7, 1840.
The main issues between the US and the British were focused on expansion, land acquisition and borders
1840 in Great Britain.
The first postage stamp was issued by Great Britain on 1 May 1840. {| |- | It was referred to as the One Penny Black. It was issued in 1840 and depicted Queen Victoria. |}
The exact date the bell cracked is uncertain. It was probably between 1835 and 1840. Some believe it cracked on July 8th, 1835 when the bell was scheduled to toll for eight hours to mourn the death of Chief Justice John Marshall. During the fifth hour, it cracked.
Great Britain, 1840
1840