20 And he judged Israel in the days of the Philistines twenty years.
Judges 15:20 Cross References - CAB
Judges 13:1
1 And the children of Israel yet again committed iniquity before the Lord; and the Lord delivered them into the hand of the Philistines for forty years.
Judges 13:5
5 for behold, you are with child, and shall bring forth a son; and there shall come no razor upon his head, for the child shall be a Nazarite to God from the womb; and he shall begin to save Israel from the hand of the Philistines.
Judges 16:31
31 And his brothers and his father's house went down, and they took him; and they went up and buried him between Zorah and Eshtaol in the tomb of his father Manoah; and he judged Israel twenty years.
Hebrews 11:32
32 And what more should I say? For the time would fail me to tell of Gideon, both Barak and Samson and Jephthah, both David and Samuel and the prophets: