1818

Year 1818 () was a (link will display the full calendar) of the  (or a  of the 12-day slower ).

January - March

 * - - 's  is published.
 * 21:52 UTC -  . It was the last occultation of a planet by another planet before nd, . Unfortunately no observation reports from this event visible in the  are known.
 * - proclaims its independence from.
 * - in  falls on its earliest possible date in this year.  Easter in Western Christianity will not occur on this date again until.

April - June

 * - The adopts the  as having 13 red and white stripes and one star for each state (20 stars) with additional stars to be added whenever a new state is added to the Union.
 * -, the oldest men's clothier in the United States, opens its first store on the Northeast corner of Catherine and Cherry Streets in New York City, where the  now stands.
 * - of  is crowned king of.

July - September

 * - of  is crowned king of, in.
 * - Formal installation of border markers for the territory of.

October - December

 * - A between the  and the  establishes the northern boundary as the forty-ninth parallel from the  to the, also creating the.
 * - founded by  in.
 * - is admitted as the 21st.
 * - is created.
 * - "" composed by and.
 * - The first performance of "" ( in, ).

Undated

 * , of, gives approval to   to establish trading station at the southern tip of the  (modern-day ).
 * was established.
 * invades Florida.
 * ends, resulting in the breakup of the and the loss of Maratha independence to the British.

January - June

 * -, Hungarian military general and politician (d. )
 * -, American abolitionist author and statesman (d. )
 * -, English-born explorer of (d. )
 * - King (d. )
 * - Emperor (d. )
 * -, German political philosopher (d. )
 * Dutch queen (d. ).
 * , French composer (d. )
 * -, Italian astronomer (d. )
 * -, Italian astronomer (d. )

July - December

 * -, American merchant and inventor (d. )
 * -, Vermont governor (d. )
 * -, British novelist (d. )
 * -, German chemist (d. )
 * -, American Confederate politician (d. )
 * -, U.S. Army officer (d. )
 * ( (O.S.)) -, Russian writer (d. )
 * -, Canadian politician (d. )
 * -, (d. )
 * -, British physicist (d. )


 * See also .

Deaths

 * Sardar Fath `Ali Khan, Wazir-i-azam of Kabul (b. )

January - June

 * -, Swiss author (b. )
 * -, King of Sweden and Norway (b.)
 * -, Prussian general (b. )
 * - one writer of Declaration of Independence, governor of Virginia, and delegate to Constitutional Convention
 * -, American patriot and silversmith (b. )
 * -, Emperor of Ethiopia.

July - December

 * -, British naval officer (b. )
 * -, (b. )
 * -, duc de Feltre, French marshal and politician (b. )
 * -, queen of (b. )
 * -, (b. )


 * See also .