The Discovery of Electromagnetic Induction
1791-1867 Michael Faraday [Wikipedia]
1831 On August 29, 1831, Faraday has discovered electromagnetic induction.

Michael Faraday: Faraday's Diary. Being the Various Philosophical Notes of Experimental Investigation made by Michael Faraday. Vol. I. Sept., 1820 - June 2, 1832, (ed.) Thomas Martin (G. Bell and Sons, Ltd., London, 1932) pp. 367-369.
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1832 The first paper on the electromagnetic induction.

Michael Faraday
Experimental researches in electricity
Philosophical Transactions of the Royal Society of London, Volume 122, pp. 125-162 (1832).
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1832 The second paper on the electromagnetic induction.

Michael Faraday
The Bakerian lecture: Experimental researches in electricity. Second series
Philosophical Transactions of the Royal Society of London, Volume 122, pp. 163-194 (1832).
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1832 Joseph Henry had discovered the similar phenomena before Faraday's discovery, but he published it after Faraday did.

Joseph Henry
On the production of currents and sparks of electricity from magnetism
The American Journal of Science and Arts (conducted by Benjamin Silliman), Volume 22, pp. 403-408 (1832).
[AIP]
1834 Emil Lenz also discovered the similar phenomena and established the law of the counter electromotive force known as Lenz's Law.

E. Lenz
Ueber die Bestimmung der Richtung der durch elektrodynamische Vertheilung erregten galvanischen Ströme
Annalen der Physik und Chemie, Volume 107, 483-494 (1834).
(AKA. Poggendorffs Annalen Volume 31)
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