The Glorious Land is the only piece of land on earth that God gave to Israelites by fighting alongside them.
Land promised to Abraham
Gen 5:18-21 On the same day the Lord made a covenant with Abram, saying: “To your descendants I have given this land, from the river of Egypt to the great river, the River Euphrates— the Kenites, the Kenezzites, the Kadmonites, the Hittites, the Perizzites, the Rephaim, the Amorites, the Canaanites, the Girgashites, and the Jebusites.”_
This literally covers almost the whole of the middle East stretching from Iraq, Syria, Lebonan, Israel, Jordan, Western Saudi Arabia and Egypt. In fact these were the land that the Patriarchs (from Abraham to Moses) had sojourned since Abraham left Ur for the promised land.
Deut 11:8,22-25 “Therefore you shall keep every commandment which I command you today, that you may be strong, and go in and possess the land which you cross over to possess... For if you carefully keep all these commandments which I command you to do—to love the Lord your God, to walk in all His ways, and to hold fast to Him— then the Lord will drive out all these nations from before you, and you will dispossess greater and mightier nations than yourselves. Every place on which the sole of your foot treads shall be yours: from the wilderness and Lebanon, from the river, the River Euphrates, even to the Western Sea, shall be your territory.
Though God had promised them almost the whole middle East as their inheritance and will fight for them to give them the promised land (this is the covenant), the Israelites must fulfill their part of the covenant by keeping all His commands and also walking out their faith in Him by entering Canaan land and fight the enemies.
Conquest of Canaan Land
Josh 1:3-4 Every place that the sole of your foot will tread upon I have given you, as I said to Moses. From the wilderness and this Lebanon as far as the great river, the River Euphrates, all the land of the Hittites, and to the Great Sea toward the going down of the sun, shall be your territory.
God initially gave just Canaan Land to the Israelites. Even after witnessing God's mighty power in tearing down the walls of Jericho, the Israelites still disobeyed God by keeping some of the spoilt of Jericho, causing their next defeat at Ai.
Though God promised Joshua to give all the land his foot had trodden over, yet because of the sins and disobedience of the Israelites, it took almost 500 years before the whole Canaan land was conquered by King David. It will be at the Millennium Rule that our Lord Jesus will bring the promised land (Arab nations including Egypt) under His fold.
Zach 14:19 This shall be the punishment of Egypt and the punishment of all the nations that do not come up to keep the Feast of Tabernacles.
In 1967, God gave the Israelites the land of Israel after the six-day war (possibly the same land area as King David), but in 1993, President Rabin signed the abominable PLO-Israel Peace Treaty to cede Jericho, the Gaza strip and the West Bank to the Palestinian leaving for themselves only part of the land of Judaea.