Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: The Prophet (peace and blessings be upon him) said: "Paradise is forbidden to all the nations until I and my Ummah enter it, one after another."
Al-Tabarani recorded it in al-Mu'jam al-Awsat; its chain contains Kharijah bin Mus'ab, who is matruk (abandoned).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 16718