This is the 9952nd most frequent Swedish word.
historiens
"Historiens" means "of history" or "history's" in English.
In this sentence, 'historiens' indicates ownership, representing 'the mistakes of history' and showing its role in the context of lessons to be learned.
Vi måste lära oss av historiens misstag för att bygga en bättre framtid.
We must learn from history's mistakes to build a better future.
Here, 'historiens' modifies 'bästa roman' to specify it as the best within the entirety of history, emphasizing its uniqueness and greatness.
Hon skrev historiens bästa roman om kärlek och förlust.
She wrote history's best novel about love and loss.
Here, 'historiens' is used as a possessive noun meaning 'of history', modifying 'mest inflytelserika tal' to indicate it belongs or relates to history.