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.
Constitution of Finland
In 1991, the direct popular election of the President was introduced, with provision for a second ballot where necessary. The new system was used for the first time in 1994. The President's term of office was also limited to two consecutive terms of six years, and the President’s powers were limited in that he or she could henceforth only dissolve Parliament on receipt of a reasoned request from the Prime Minister and having first consulted the Speaker and the party groups in Parliament. The 1991 reform also amended the provisions in the Constitution Act and the Parliament Act relating to State finances.