Abraham Lincoln was an American statesman and lawyer who served as the 16th president of the United States from 1861 until his assassination in 1865. Lincoln led the nation through the American Civil War, the country's greatest moral, cultural, constitutional, and political crisis. Abraham Lincoln is famous for the Gettysburg Address, abolishing slavery and being one of the four presidents who have been assassinated. Abraham's father remarried and, as the frontier expanded and became more populated, so the quality of life increased. Lincoln soon broke out on his own and moved to New Salem. • Lincoln is enshrined in the Wrestling Hall of Fame. ... • Lincoln created the Secret Service hours before his assassination. ... • Grave robbers attempted to steal Lincoln's corpse. ... • John Wilkes Booth's brother saved the life of Lincoln's son. ... • Lincoln is the only president to have obtained a patent. "We must be more cheerful in the future, Mary; between the war and the loss of our darling Willie we have been very miserable." Mr. Lincoln seemed so happy and cheerful that Mary's heart was filled with joy. "I have not seen you so happy since before Willie's death," she said to him.