Two evil empires. They are mentioned in the Qur'an and Ahadeeth (Bukhari and Muslim) when mentioning some of the scenes just before the final hour. See Quran, Al-Anbiyaa (21:96), Sahih Muslim, Kitab al-Fitan wa Isharat as-Say'ah. Hadi A cow, sheep or a goat that is offered as a sacrifice by a pilgrim during the Hajj.

A nation and its leader that are deceived by Satan into invading Israel during the End Times (Ezekiel 38:2, Revelation 20:8). Gog is generally considered the leader of the nation Magog, but this is not always the case. For many centuries Gog and Magog were considered to be the Huns, Goths or Turks, but in modern-day fundamentalist pop culture they usually represent Russia.

all pagan nations

Most prophetic scholars agree that Gog and Magog were the people that lived in the lands, which are now modern Russia. Someday Russia and a horde of Middle East countries will launch a surprise attack against Israel. All but one sixth of the Gog army will be destroyed upon the mountains of Israel. (Ezekiel 38 and 39)

The tradition of Gog and Magog begins in the Hebrew Bible with the reference to Magog, son of Japheth, in the Book of Genesis and continues in cryptic prophecies in the Book of Ezekiel, which are echoed in the Book of Revelation and in the Qur'an. The tradition is very ambiguous with even the very nature of the entities differing between sources. They are variously presented as men, supernatural beings (giants or demons), national groups, or lands.