Ras Abebe Aragai (1903 December 15, 1960) was the prime minister of Ethiopia from November 27, 1957 until his death. 1903 has the latest occurring solstices and equinoxes for 400 years, because the Gregorian calendar hasnt had a leap year for seven years or a century leap year since 1600. ... December 15 is the 349th day of the year (350th in leap years) in the Gregorian calendar. ... 1960 was a leap year starting on Friday (link will take you to calendar). ... November 27 is the 331st day (332nd on leap years) of the year. ... 1957 was a common year starting on Tuesday of the Gregorian calendar. ...