3 days ago · Constantine XI Dragases Palaiologos or Dragaš Palaeologus (Greek: Κωνσταντῖνος Δραγάσης Παλαιολόγος, Kōnstantinos Dragasēs Palaiologos; 8 February 1405 – 29 May 1453) was the last Byzantine emperor, reigning from 1449 to his death in battle at the Fall of Constantinople in 1453.
Oct 18, 2020 · The Treaty of Tours was an attempted peace agreement between Henry VI of England and Charles VII of France, concluded by their envoys on 28 May 1444 in the closing years of the Hundred Years' War. The terms stipulated the marriage of Charles VII's niece, Margaret of Anjou , to Henry VI, and the creation of a truce of two years – later ...
5 days ago · Lorenzo de' Medici (Italian pronunciation: [loˈrɛntso de ˈmɛːditʃi], 1 January 1449 – 8 April 1492) was an Italian statesman, de facto ruler of the Florentine Republic and the most powerful and enthusiastic patron of Renaissance culture in Italy.
3 days ago · Ashikaga Yoshimasa (painting attributed to Tosa Mitsunobu, latter half of 15th century) In this Japanese name , the family name is Ashikaga . Ashikaga Yoshimasa ( 足利 義政 , January 20, 1436 – January 27, 1490)  was the 8th shōgun of the Ashikaga shogunate who reigned from 1449 to 1473 during the Muromachi period of Japan .
4 days ago · From 1449 until 1452, Fra Angelico was back at his old convent of Fiesole, where he was the Prior (the head man). Fra Angelico's pupils were probably left in Rome to finish the work on the chapel. Death and beatification. In 1455, Fra Angelico went back to Rome, probably to look at the work in Pope Nicholas' Chapel.
5 days ago · L-1449 Proposed turboprop version of L-1049G with a stretched fuselage and a new wing. L-1549 Planned stretched version of L-1449. Military L-1049A Manufacturer's designation for the WV-2, WV-3 and RC-121D. L-1049B Manufacturer's designation for the R7V-1, RC-121C and VC-121E. L-1049F
3 days ago · Aldus Manutius was born close to Rome in Bassiano between 1449 and 1452.    He grew up in a wealthy family during the Italian Renaissance and in his youth was sent to Rome to become a humanist scholar .
4 days ago · The iPhone is a series of smartphones made by Apple Inc since 2007. It does many things that a computer can do, but is small enough to fit in someone's hand. It is a mobile phone, meaning that it makes calls and sends text messages but without wires.
1449 K，1176 °C，2149 °F: 沸點: 2880 K，2607 °C，4725 °F: 熔化熱: 14.39 kJ·mol −1: 比熱容: 62.7 J·mol −1 ·K −1: 蒸氣壓: 原子性質; 氧化態: 7, 6, 5, 4, 3, 2 （兩性氧化物） 電負性: 1.3（鲍林标度） 電離能: 第一：578 kJ·mol −1: 原子半徑: 173 pm: 共價半徑: 180±6 pm: 雜項; 晶體 ...
3 days ago · 1440年後，蒙古西部的瓦剌逐渐强大，经常在明朝边境一带生事。1449年，明英宗朱祁鎮於北伐瓦剌時在土木堡 戰敗被俘，雖然瓦剌軍在北京保衛戰時被打敗，但明朝從此不再像永樂、洪熙、宣德般的繁盛，開始衰落，疆域不再擴張，並加強邊防及修築明長城。