In a way it was unanimous, because even those not present today had co-sponsored the bill.

Every lawmaker in the Senate except for Republican Rand Paul co-sponsored the resolution expressing support for Israel in the face of the Hamas onslaught.

Paul still voted in favor of the resolution, while Republican Tim Scott and Democrats Dick Durbin and Laphonza Butler were not in the Capitol for the vote.

The House is next, and the vast majority of them have already co-sponsored it:

A similarly symbolic resolution has been introduced in the House, with 392 members signing on as co-sponsors. It is expected to also be passed in the coming days.

Am I wrong that mass co-sponsoring is a rather rare event?