==Events and trends== Electromagnetic induction discovered by Michael Faraday. Evolutionary theorist Charles Darwin's expedition on the HMS Beagle. Dutch-speaking farmers known as Voortrekkers emigrate northwards from the Cape Colony. Croquet invented in Ireland. Railroad construction begins in earnest in the United States. Egba refugees fleeing the Yoruba civil wars found the city of Abeokuta in south-west Nigeria. The Church of Jesus Christ of Latter-day Saints restored by Joseph Smith.… (More on 1830s)