Answer:
He could have filled several markers had he chosen to list his other public offices: third president of the new United States, vice president, secretary of state, diplomatic minister, and congressman. For his home state of Virginia he served as governor and member of the House of Delegates and the House of Burgesses as well as filling various local offices — all tallied into almost five decades of public service. He also omitted his work as a lawyer, architect, writer, farmer, gentleman scientist, and life as patriarch of an extended family at Monticello, both white and black. He offered no particular explanation as to why only these three accomplishments should be recorded, but they were unique to Jefferson.
Jefferson's Three Greatest Achievements
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Other men would serve as U.S. president and hold the public offices he had filled, but only he was the primary draftsman of the Declaration of Independence and of the Virginia Statute for Religious Freedom, nor could others claim the position as the Father of the University of Virginia. More importantly, through these three accomplishments he had made an enormous contribution to the aspirations of a new America and to the dawning hopes of repressed people around the world. He had dedicated his life to meeting the challenges of his age: political freedom, religious freedom, and educational opportunity. While he knew that we would continue to face these challenges through time, he believed that America’s democratic values would become a beacon for the rest of the world. He never wavered from his belief in the American experiment.
I have no fear that the result of our experiment will be that men may be trusted to govern themselves. . . .
Thomas Jefferson, 2 July 1787
He spent much of his life laying the groundwork to insure that the great experiment would continue.
Early Life and Monticello
Jefferson was born April 13, 1743, on his father’s plantation of Shadwell located along the Rivanna River in the Piedmont region of central Virginia at the foothills of the Blue Ridge Mountains.1 His father Peter Jefferson was a successful planter and surveyor and his mother Jane Randolph a member of one of Virginia’s most distinguished families. When Jefferson was fourteen, his father died, and he inherited a sizeable estate of approximately 5,000 acres. That inheritance included the house at Shadwell, but Jefferson dreamed of living on a mountain.2
In 1768 he contracted for the clearing of a 250 feet square site on the topmost point of the 868-foot mountain that rose above Shadwell and where he played as a boy.3 He would name this mountain Monticello, and the house that he would build and rebuild over a forty-year period took on this name as well. He would later refer to this ongoing project, the home that he loved, as “my essay in Architecture.”4 The following year, after preparing the site, he began construction of a small brick structure that would consist of a single room with a walk-out basement kitchen and workroom below. This would eventually be referred to as the South Pavilion and was where he lived first alone and then with his bride, Martha Wayles Skelton, following their marriage in January 1772.
Unfortunately, Martha would never see the completion of Monticello; she died in the tenth year of their marriage, and Jefferson lost “the cherished companion of my life.” Their marriage produced six children but only two survived into adulthood, Martha (known as Patsy) and Mary (known as Maria or Polly).5