March

• 2 March - Rhodesia
  Rhodesia
  Rhodesia , officially the Republic of Rhodesia from 1970, was an unrecognised state located in southern Africa that existed between 1965 and 1979 following its Unilateral Declaration of Independence from the United Kingdom on 11 November 1965...
  
   becomes a republic
  Republic
  A republic is a form of government in which the people, or some significant portion of them, have supreme control over the government and where offices of state are elected or chosen by elected people. In modern times, a common simplified definition of a republic is a government where the head of...
  
   but is not recognized by the international community
• 17 March - Britain
  United Kingdom
  The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
  
   and America
  United States
  The United States of America is a federal constitutional republic comprising fifty states and a federal district...
  
   use their veto rights in the United Nations Security Council
  United Nations Security Council
  The United Nations Security Council is one of the principal organs of the United Nations and is charged with the maintenance of international peace and security. Its powers, outlined in the United Nations Charter, include the establishment of peacekeeping operations, the establishment of...
  
   to avoid implementation of complete mandatory sanctions on Rhodesia

May

• 21 May - Ian Smith
  Ian Smith
  Ian Douglas Smith GCLM ID was a politician active in the government of Southern Rhodesia, the Federation of Rhodesia and Nyasaland, Rhodesia, Zimbabwe Rhodesia and Zimbabwe from 1948 to 1987, most notably serving as Prime Minister of Rhodesia from 13 April 1964 to 1 June 1979...
  
  , Prime Minister of Rhodesia
  Prime Minister of Rhodesia
  The Prime Minister of Rhodesia was the head of government in the colony of Rhodesia. Rhodesia's political system was modelled on the Westminster system and the Prime Minister's role was similar to that of the same position in other countries such as the United Kingdom, Canada, Australia, New...
  
   and John Vorster
  B.J. Vorster
  Balthazar Johannes Vorster , better known as John Vorster, served as the Prime Minister of South Africa from 1966 to 1978 and as the fourth State President of South Africa from 1978 to 1979...
  
  , Prime Minister of South Africa hold private talks