38 Now there was an appointed sign between the men of Israel and the liers in wait, that they should make a great flame with smoke rise up out of the city.
Judges 20:38 Cross References - KJV_Cambridge
Genesis 17:21
21 But my covenant will I establish with Isaac, which Sarah shall bear unto thee at this set time in the next year.
Joshua 8:20
20 And when the men of Ai looked behind them, they saw, and, behold, the smoke of the city ascended up to heaven, and they had no power to flee this way or that way: and the people that fled to the wilderness turned back upon the pursuers.
2 Kings 4:16
16 And he said, About this season, according to the time of life, thou shalt embrace a son. And she said, Nay, my lord, thou man of God, do not lie unto thine handmaid.