Jeremiah 44:29

The sign referred to, viz. Nebuchadnezzar's invasion of Egypt, did not take place till 586 b.c. For other instances of a sign not to take effect for a considerable time after its announcement cp. Exodus 3:12; 2 Kings 19:29

It is not improbable that it was on this occasion that Jeremiah met with a martyr's death at the hands of his apostate countrymen, as tradition recounts.