30 Everyone who saw it was saying to one another, “Such a thing has never been seen or done, not since the day the Israelites came up out of Egypt. Just imagine! We must do something! So speak up!”

Read Judges 19:30 Using Other Translations

And it was so, that all that saw it said, There was no such deed done nor seen from the day that the children of Israel came up out of the land of Egypt unto this day: consider of it, take advice, and speak your minds.
And all who saw it said, "Such a thing has never happened or been seen from the day that the people of Israel came up out of the land of Egypt until this day; consider it, take counsel, and speak."
Everyone who saw it said, “Such a horrible crime has not been committed in all the time since Israel left Egypt. Think about it! What are we going to do? Who’s going to speak up?”