Show: Flex in a Week - Day 1: Flex Basics. In this episode of the training series, you will learn how to lay out your application using Design mode and the pre-built Flex components, including the video playback components.
For other uses, see Van Buren (disambiguation). Martin Van Buren (Dutch: Maarten van Buren pronunciation ; December 5, 1782 â July 24, 1862) was an American politician who served as the eighth President of the United States (1837â41).
All presidents bar one are directly descended from a medieval English king. 1  12-year-old girl created family tree linking 42 of 43 U.S. presidents to King John of England, who signed Magna Carta in 1215. 2  Only eighth president, Martin Van Buren, was not related to John.he only former commander-in-chief not linked to King John is the eighth president, Martin Van Buren, who had Dutch roots. The teen also found out that she is the 18th cousin of President Obama.