What was unprecedented about the Civil Rights Act of 1866? O
A. It was the first time Congress passed a law that had been vetoed by the President.
B. It was the first time that Congress passed a law to benefit African Americans.
C. It was the first time Congress mandated public education for African Americans in all the states.
D. It was the first time a law was overturned by the Supreme Court.

(b), (d), (a), (c)

Explanation:

The following events in their order of occurrence are:

(b) Peasants revolted against the landlords by refusing to pay rents and even murdered them: this occurred in 1381, and was casued by various reasons amongst which are: economic and political instability caused by Black Death pandemic, levy of high taxes on the masses, and attempt to collect unpaid poll taxes in Brentwood.

(d) Father Gapon led a procession to the Winter Palace: this occurred in 1905, it led to confrontation between those protesting and the soldiers of the government known as Imperial Guard, which resulted into shootings of the soldiers to disperse the protesters.

(a) St. Petersberg was renamed as Petrograd: this occurred in 1914, as the original name was changed because it appears or sounds like a German name.

(c) Bolshevik leader Lenin returned to Russian from exile: this occurred in 1917, after Vladimir Lenin has spent a decade in exile, to return and lead Russian revolution.