One at Pentecost 33 C.E. and another in 1919? Or were they "overlapping nations?"
w02 8/1 p. 12 par. 16 - Today, there is a new “nation” that has Jehovah as its invisible Judge, its Statute-giver, and its King. That “nation” came into existence in the first century C.E.
it-2 p. 473 - "When God’s spirit was first poured out upon about 120 disciples of Jesus (all natural Jews) on the day of Pentecost in the year 33 C.E., it became evident that God was dealing with a new spiritual nation." (Galatians 6:16)
w14 11/15 p. 26 par. 11 “Now You Are God’s People” "In 1919, Jehovah...gathered “the sons of the Kingdom” into an organized people, in fulfillment of Isaiah’s prophecy: “Will a land be brought to birth in one day? (at Pentecost 33 C.E.?) Or will a nation be born all at once? Yet, as soon as Zion went into labor, she gave birth to her sons.” (Isa. 66:8) Zion, Jehovah’s organization of spirit beings, brought forth her spirit-anointed sons and organized them into a nation."