1. In 1865, Confederate president Jefferson Davis was captured by Union troops near Irwinville, Georgia. After his capture, he was taken to Fortress Monroe in Virginia where he was imprisoned for two years. He was released in 1867 and returned to Kentucky, where he lived in retirement until his death in 1889.

2. On April 9, 1917, America entered World War I. President Woodrow Wilson asked Congress to declare war on Germany after four years of neutrality. Kentucky played a significant role in the war effort, producing munitions and sending troops to fight in Europe.

3. In 1928, Kentucky governor William J. Fields signed the Racial Integrity Act into law. The law prohibited interracial marriage and declared that anyone with "one drop" of non-white blood was considered non-white. The law was eventually overturned in 1967 by the Supreme Court's ruling in Loving v. Virginia.

4. On April 9, 1936, Bob Gibson was born in Omaha, Nebraska. Gibson grew up in Omaha and later attended Creighton University, where he played basketball and baseball. He is best known as a pitcher for the St. Louis Cardinals, where he played from 1959 to 1975. Gibson was inducted into the Baseball Hall of Fame in 1981.

5. In 1992, the United States Postal Service issued a stamp honoring Kentucky native and Civil War hero Joshua Lawrence Chamberlain. Chamberlain was a Union general who played a key role in the Battle of Gettysburg. He later served as governor of Maine and president of Bowdoin College. The stamp shows Chamberlain on horseback, leading his troops into the Battle of Little Round Top.