1271

Europe

 * - Kings and  sign the first, settling territorial claims following the failed invasion of  by Otakar II.
 * - succeeds  as the 184th  as the compromise candidate between  and , ending a three-year , the longest ever.
 * The County of is returned to the crown of.
 * departs from with his father and uncle on his famous journey to 's.
 * The construction of, the largest in , is completed.
 * Construction of the in  is begun.

North Africa and the Middle East

 * - sultan  continues his territorial expansion, capturing the strategically important castle  from the  in present-day.
 * sultan conducts an unsuccessful siege of the city of, and also fails in an attempted naval invasion of.
 * and arrive in, starting the  against ; however, they are unable to capture any territory and a peace is quickly negotiated.

Asia

 * - According to the followers of, the sect's founder, , reaches a turning point known as hosshaku kempon as he discards his identity as a mortal priest and begins to reveal himself as a reincarnation of the.
 * - renames his empire "Yuan" (元 yuán), officially marking the start of the  of.
 * The kingdom of the northern  foothills is annexed by the.

Births

 * May -, daughter of King (died )
 * -, son of (died )
 * - King and Poland (died )
 * -, Mongol ruler (died )
 * (died )
 * , queen of (died )
 * , Grand Prince of Vladimir (died )
 * Duke (died )

Deaths

 * - (born )
 * -, queen of (born )
 * -, English crusader (born )
 * -, son of (born )
 * -, Grand Duke of Vladimir
 * -, French crusader (born )
 * , Turkish mystic (born )
 * , Lord Warden of the Cinque Ports
 * , khan
 * (born )