Breakdown of Eines Tages werden wir die Auswanderung gewagt haben.
ein
a, an (eine)
haben
to have
wir
we
der Tag
the day
Questions & Answers about Eines Tages werden wir die Auswanderung gewagt haben.
Why is it Eines Tages without a preposition like 'an'?
This is an adverbial genitive of time. It is used to express an indefinite point in time in the past or future, translated here as 'one day' or 'some day'. Unlike a specific, definite day which would use a preposition and the dative case (like an diesem Tag), this genitive construction stands completely alone to show that the exact day is unspecified.
What tense is werden ... gewagt haben?
This is the Futur II (Future Perfect) tense, used to express that an action 'will have been completed' by a certain point in the future. It is formed with the conjugated auxiliary verb werden in the second position, and a combination of the past participle (gewagt) and the auxiliary infinitive (haben) stacked at the very end of the sentence.
Why is the subject wir placed after the verb werden?
Because the adverbial phrase Eines Tages occupies the first position in the sentence. To satisfy German's strict 'verb-second' rule for main clauses, the conjugated verb werden must come exactly second, which forces the subject wir into the third position. Notice how English differs here, allowing 'One day, we will...'.
How is wagen used in this sentence compared to its other meanings?