The campaign orchestrated by the Nacionalista Party proved to be successful as  Ferdinand  Marcos and his running mate Fernando Lopez were elected in 1965  as President and Vice President of the country. Marcos - Lopez Inaguration Overprint issue FDC, December 30, 1965 Marcos Oath Taking Issue FDC, June 12, 1966

During his first term in office Pres. Marcos decided to host the Manila Summit Conference of 1966, inviting delegates  from seven nations. The purpose of the Summit was for the Philippines to have economic cooperation with Australia, South Korea, United States, New Zeland, Vietnam and Thailand. Manila Summit Conference Overprint Issue FDC signed by one of the delegates and Lyndon B. Johnson, U.S. President, who was in Manila, October 23 to 27, 1966.

HELP ME FIGHT SMUGGLING overprint issue of  May 1, 1966.

To fulfill one of his campaign promises, Pres. Marcos mounted an all  out campaign against smuggling with the help of the Bureau of Posts. HELP PRES. MARCOS ANTI SMUGGLING DRIVE slogan cachet, March 1, 1966 first day of usage.