《左传·定公·定公四年》
第二天，把羽毛装饰在旗杆顶上去参加会，晋国就因此失掉了诸侯的拥护。
明日，或旆以会。晋于是乎失诸侯。
The next day, the feathers were decorated on the top of the flagpole to participate in the meeting, so Jin lost the support of the princes.