George Washington
At the end of his second term, Washington retired for personal and political reasons, fatigued and disgusted with personal attacks, and to assure a truly contested presidential election could be held. He did not feel bound to a two-term limit, but his retirement ultimately set precedent. The two-term limit to the presidency was formalized with the 1951 adoption of the Twenty-second Amendment to the United States Constitution. Washington is often credited with setting the principal of a two-term presidency, but it was Thomas Jefferson who first refused to run for a third term on political grounds.
Brazilian presidential inauguration
Under the Constitution imposed by President Vargas on 10 November 1937, the Brazilian Government was in effect a dictatorship. The referendum announced in the Constitution, in which the people would confirm or reject the new constitutional system, was never held (the date of that referendum was never set by the Government). The Constitution nominally established a six-year presidential term, with the first presidential term starting on the date of adoption the Constitution, but another provision of the document allowed the serving president (Vargas) to remain in office until the referendum on the Constitution was held. The said Constitutional provision indicated that, if the Constitution was confirmed in the referendum, then Vargas would complete his six-year presidential term. Thus, the referendum should have taken place in the first six years of the Constitution, but that was not done: Vargas ignored the duration of the presidential term mandated by the Constitution that he had imposed. In reality therefore, after the 1937 coup, Vargas retained power for more than the six-year period that had been announced, ruling Brazil as dictator for almost eight years, from his coup d'etát in November 1937 until his deposition in October 1945.