On September 25, 2013, the Kindle Fire HD was upgraded as the third generation Fire, priced at US$139, and the Kindle Fire HDX was introduced. The Kindle Fire HDX had an improved graphics engine, double the memory, and triple the processor speed of the previous model.
Washington, wary of the dangers posed by an individual's becoming entrenched in the presidency, created a two-term tradition that remained intact until Franklin Delano Roosevelt's third consecutive election in 1940.
And several presidents, including Ulysses S Grant and Grover Cleveland, sought nomination for a third term, but were not successful. The UK has no explicit limit on how many times a Prime Minister can be re-elected, as long as they win enough support in the House of Commons to continue as leader.