his son Edward I, who slowly returns from the Holy Land via Gascony. Levant May 22 – King Hugh III (the Great) signs a peace with Sultan Baibars, Mamluk ruler of Egypt, at Caesarea. The Kingdom of Jerusalem is guaranteed for 10 years the possession of its present lands, which consists mainly of the narrow coastal plain from Acre to Sidon, together with the right to use without hindrance the pilgrim-road to Nazareth. The County of Tripoli is safeguarded by the peace treaty. June 16 – Edward (the Lord Edward) prevents an assassination attempt at Acre. A Syrian Nizari (or Assassin) supposedly sent by Baibars penetrates into the prince's chamber and stabs him with a poisoned dagger. The wound is not fatal, but Edward is seriously ill for some months. Baibars hastens to dissociate himself from the deed by sending his congratulations on the prince's escape. August 18 – Nubian forces sack the Egyptian Red Sea outpost of Aydhab and raid the southern frontier city of Aswan. In return, Baibars invades the kingdom of Makuria. By topic Astronomy In astronomy, the recording of the Alfonsine tables is completed. Births January 14 – Hōjō Sadatoki, Japanese regent (d. 1311) January 31 – William Ferrers, English nobleman (d. 1235) February 12 – Zhao Bing, Chinese emperor (d. 1279) May 10 – Bernardo Tolomei, Italian theologian (d. 1348) December 13 – Frederick III, king of Sicily (d. 1337) Amalric of Tyre, Outremer nobleman and prince (d. 1310) Badr al-Din Solamish, Mamluk ruler of Egypt (d. 1291) Berthold VII, German nobleman and regent (d. 1340) Eric Eriksøn (Longlegs), Danish nobleman (d. 1310) Fath al-Din ibn Sayyid, Egyptian theologian (d. 1334) Guy de Beauchamp, English nobleman (d. 1315) Isabel Bruce, queen consort of Norway (d. 1358) Joan of Acre, daughter of Edward I (d. 1307) Louis I, French nobleman and knight (d. 1322) Margaret of Anjou, French noblewoman (d. 1299) Otto I of Hesse, German nobleman (d. 1328) Shiwu (or Stonehouse), Chinese poet (d. 1352) Deaths January 6 – Alfonso of Molina, Leonese prince (b. 1202) March 14 – Enzo of Sardinia, king of Sardinia (b. 1218) March 17 – Go-Saga, emperor of Japan (b. 1220) March 18 – John FitzAlan, English nobleman (b. 1246) April 2 – Richard of Cornwall, English nobleman (b. 1209) April 27 – Zita (or Sitha), Italian maid and saint (b. 1212) May 15 – Thomas of Cantimpré, Flemish priest