[1] He was one of five Decembrists executed for their roles in attempting to reform the Russian autocracy towards a constitutional form of government.
[1] Sergei was born in Saint Petersburg, the fourth son of Russian diplomat Ivan Muravyov-Apostol.
[1] Sergei spent his childhood in Hamburg and Paris, then graduated from the Saint Petersburg Institute of Road Engineers before joining in the Russian Army.
Muravyov-Apostol was the author of the Decembrists Сatechesis and a very articulate supporter of establishing a republic and abolishing serfdom in Russia.
So he ordered to be fastened to his horse by ropes so as to lead the desperate cavalry attack on the government artillery battery.