The antecedent of this pronoun had been mentioned for the last time at eight o'clock.
If magnetism be an antecedent factor, magnetism may be its product.
The antecedent in this instance is not Rubicon, but the entire clause.
His scientists, his historians were all of the Victorian age or antecedent thereto.
No, its head spring, in this case, was antecedent to the lake.