American abolitionist David Walker published his appeal to the African American publications in Boston.
President George Washington provided a letter of address to say he would not run for president again after 20 years of service.
David Humphreys handed out the first recorded US passport.
Tennessee became the 16th state to join the United States of America.
Edward Jenner, an English country doctor, gave the first vaccination against smallpox.
The United States received its first elephant.
German mathematician Carl Friedrich Gauss became the first person to prove quadratic reciprocity law.
German mathematician Carl Friedrich Gauss constructed the first heptadecagon using a ruler and a compass.
