近代浙江慈溪一带曾经流传着一首民歌：“洋人好比一只鹰，洋人怕的红头军。”民歌反映的历史事件是（    ）

                                                                                                   谢亭送别
                                                                                                       许浑
                                                                              劳歌一曲解行舟，红叶青山水急流。
                                                                              日暮酒醒人已远，满天风雨下西楼。
                                                                              【注】①劳歌：送别歌。