God created the Sabbath for mankind (Mark 2:27), and there will yet come
a time when all mankind will keep God's Sabbath.
The Bible speaks of God's Kingdom as being established on earth when Jesus
Christ returns to rule as "King of kings and Lord of lords" (Revelation 11:15; 19:11-16). In addition to ruling over sons of God who will be changed
to spirit beings and rule with Christ in the Kingdom of God at the time
of His second coming, Jesus will rule as Head of a literal government over
physical nations on earth (Psalm 22:27,28; 72:1-11; Daniel 2:34,35; Zechariah 14:8,9).