1270s

The 1270s is a decade. It started on 1 January 1270 and ended on 31 December 1279. It is distinct from the decade known as the 128th decade which began on January 1, 1271 and ended on December 31, 1280.

 Births 
 1270 – March 12 – Charles of Valois, first Count of Valois (d. 1325)
 1272 – April – Joan of Acre, daughter of King Edward I of England and his first wife, Eleanor of Castile (d. 1307)
 c. 1272 – William Wallace, Scottish knight (d. 1305)
 1274 – July 11 – Robert I of Scotland (Robert the Bruce), King of Scotland (d. 1329)
 c. 1275 – John de Menteith, Scottish nobleman (d. c. 1323)

 Deaths 
 1270 – August 25 – King Louis IX of France (b. 1214)
 1272 – November 16 – Henry III of England, King of England (b. 1207)
 1273 – December 17 – Rumi, Islamic poet (b. 1207)
 1274 – Saint Bonaventure (b. 1221)
 1274 – March 7 – Thomas Aquinas, Dominican priest (b. 1225)
 1276 – June 22 – Pope Innocent V (b. c. 1225)
 c. 1276 – Coppo di Marcovaldo, Florentine painter (b. c. 1225)