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First plebiscite on reintegration of the NMI with Guam held in the NMI – 1,642 in favor of reintegration with Guam; 875 in favor of a separate territorial status for the NMI; 27 in favor of the status quo (the NMI remaining in the U.S. Trust Territory of the Pacific Islands.)

Second plebiscite on reintegration of the NMI with Guam held in the NMI – 1,231 in favor reintegration with Guam; 32 in favor of a separate territorial status for the NMI; 9 in favor of independence.

First and only referendum on Guam on the issue of reunification with the NMI – 58% of those voting rejected a political unification of Guam and the NMI.

The Mariana Islands District Legislature of the Congress of Micronesia approved the political separation of the NMI from the rest of Micronesia.

The U.S. agreed to the NMI's request for separate political status negotiations from the rest of Micronesia.

The Mariana Islands District Legislature established a Marianas Political Status Commission of 15 members to represent the NMI in political status negotiations with the U.S. Government.

First round of negotiations were held on Saipan between the Marianas Political Status Commission and the U.S.

Second round of negotiations were held on Saipan between the Marianas Political Status Commission and the U.S.

Third round of negotiations were held on Saipan between the Marianas Political Status Commission and the U.S.

Fourth round of negotiations were held on Saipan between the Marianas Political Status Commission and the U.S.

First part of the fifth round of negotiations were held on Saipan between the Marianas Political Status Commission and the U.S.

Second part of the fifth round of negotiations were held on Saipan between the Marianas Political Status Commission and the U.S.

The Marianas Political Status Commission met and voted 14–0 to approve the Covenant to establish a Commonwealth of the Northern Mariana Islands in Political Union with the United States of America.

The Covenant was approved by the Mariana Islands District Legislature by a unanimous vote in favor of Resolution 76-1975.

The Covenant was approved by 78.8% of the people of the NMI who voted in a plebiscite for the approval of the Covenant.

The U.S. House of Representatives approved House Joint Resolution 549 to approve the Covenant.

The U.S. Senate approved House Joint Resolution 549 to approve the Covenant with two amendments.

The U.S. House of Representatives voted to approve the Senate version of House Joint Resolution 549.

President Gerald Ford signed into law House Joint Resolution 549, which approved the Covenant. This Joint Resolution became U.S. Public Law 94-241.

The original NMI Constitution was approved and signed by 33 of the 39 members of the First NMI Constitutional Convention.

The original NMI Constitution was approved by 93% of the votes in a referendum.

President Jimmy Carter issued Presidential Proclamation 4534 that declared that (1) the NMI Constitution was in agreement with the Covenant, (2) the NMI Constitution was approved by the U.S. Government, (3) the NMI Constitution will “come into full force and effect” on January 9, 1978, and (4) those parts of the Covenant that are listed in Section 1003(b) of the Covenant will “come into full force and effect” on January 9, 1978.

Carlos S. Camacho and Francisco C. Ada of the Democratic Party were elected as the first Governor and the first Lt. Governor of the CNMI. Edward DLG. Pangelinan was elected as the first Resident Representative to the U.S.

In the first elections for the CNMI Senate, Herman R. Deleon Guerrero, Lorenzo I. Deleon Guerrero, and Pedro P. Tenorio were elected on Saipan, Julian S. Calvo, Joseph S. Inos, and Benjamin T. Manglona were elected on Rota, Serafin M. Dela Cruz, Hilario F. Diaz, and Juan (John) U. Hofschneider were elected on Tinian.

In the first elections for the CNMI House of Representatives, Misael H. Ogo was elected on Rota, and Serafina R. King was elected on Tinian. Elected on Saipan were Manasses S. Borja, Antonio S. Guerrero, Jesus S. Deleon Guerrero, Alonzo Iglisomar, Miguel I. Killeleman, Jose R. Lifoifoi, Pedro T. Nakatsukasa, Felicidad T. Ogumoro, Oscar C. Rasa, Jesus A. Sonoda, Plasido M. Tagabuel, and Joaquin P. Villanueva.