Bianjing (1232) — the same event in History of Song and History of Yuan

History of Song: Song forces under Shi Songzhi and the Yuan forces jointly besieged Bianjing; the Jin ruler fled to Guide Prefecture and again to…

What each source says

History of Song (Songshi), Annals · AD 1232 · 汴京

Song forces under Shi Songzhi and the Yuan forces jointly besieged Bianjing; the Jin ruler fled to Guide Prefecture and again to Caizhou.

時宋與大元兵合圍汴京,金主奔歸德府,尋奔蔡州,大元再遣使議攻金,史嵩之以鄒伸之報謝。
Location: 宋史卷041 紹定五年

History of Yuan (Yuanshi), Annals · AD 1232 · 汴京

Subutai and others besieged Nanjing (Bianjing), and the Jin ruler sent his younger brother, Prince Cao E'ke, as a hostage.

三月,命速不台等圍南京,金主遣其弟曹王訛可入質。
Location: 元史 卷2 太宗 1232年 3月

Place: 汴京 · 開封

Show on the map — open History of Song (Songshi), Annals