Abimilech was told that all of the "lords" of the Shechem Tower had assembled there.

Then the children of Ammon were assembled, and encamped in Gilead. And the children of Israel assembled themselves, and encamped in Mizpeh.

Then all the Midianites and the Amalekites and the sons of the east assembled themselves together. And they passed over, and encamped in the valley of Jezreel.

And all the men of Shechem assembled themselves together, and all the house of Millo, and went and made Abimelech king by the oak of the pillar that was in Shechem.

Then all the sons of Israel went out. And the congregation was assembled as one man, from Dan even to Beersheba, with the land of Gilead, to LORD at Mizpah.

The Israelites asked, "Who from all the Israelite tribes has not assembled before the Lord?" They had made a solemn oath that whoever did not assemble before the Lord at Mizpah must certainly be executed.

Eglon assembled together the Ammonites and the Amalekites, proceeded to attack Israel, and captured the cities of palms.

So Sisera gathered his iron chariots together from Harosheth-haggoyim all 900 of them, along with all the people who were assigned to them and they assembled at the Kishon River.

But Sihon didn't trust Israel to pass through his territory, so he assembled his entire army, encamped in Jahaz, and fought against Israel.

When they had been gone a short distance from Micah's home, some of Micah's neighbors assembled a search party and overtook the descendants of Dan.

They yelled at the descendants of Dan, who turned around to face Micah and asked, "What's wrong with you? You've assembled together"?"

But the descendants of Benjamin wouldn't obey the request of their own relatives, the Israelis, so the descendants of Benjamin assembled from the cities of Gibeah to fight the Israelis in battle.

Now the lords of the Philistines assembled to offer a great sacrifice to Dagon their god, and to rejoice, for they said,
“Our god has given Samson our enemy into our hands.”

And the men of Ephraim assembled, and went northward, and said to Jephthah, Why didst thou pass over to fight against the children of Ammon, and didst not call us to go with thee; we will burn thy house upon thee with fire.

And the men of Israel assembled out of Naphtali, and out of Asher, and out of all Manasseh, and pursued the Midianites.

And Gideon sent messengers throughout all mount Ephraim, saying, Come down against the Midianites, and take before them the waters to Beth-barah and Jordan. Then all the men of Ephraim assembled, and took the waters to Beth-barah and Jordan.

Jephthah assembled all the men of Gilead and they fought with Ephraim. The men of Gilead defeated Ephraim, because the Ephraimites insulted them, saying, "You Gileadites are refugees in Ephraim, living within Ephraim's and Manasseh's territory."

This is what we'll do to Gibeah: we're going to assemble an army by lottery.

and the army of Israel went out to fight the tribe of Benjamin, assembling in battle array against them at Gibeah.

Yet there is both straw and provender for our asses; and there is bread and wine also for me, and for thy handmaid, and for the young man which is with thy servants: there is no want of any thing.