January 1, 1973 fell on a Monday. As of 2011, the next year to start on a Monday will be 2018.
Thursday
It was a Tuesday.
The Sabbath occurs every week.
Yes they do.
February 22nd, 1973 fell on a Thursday. The following year, it fell on a Friday.
According to the Gregorian calendar, the first day of the week of the year 480 "anno domini nostri iesu christi ", which has been a leap year, was a Monday.
Tuesday. You can check it here - http://www.timeanddate.com/calendar/?year=1973&country=1
January 1, 2009 fell on a Thursday.
November 14th, 1973 fell on a Wednesday. The following year, it fell on a Thursday.
It may begin on any day
was a pleasant day
It was a Saturday.