It was a Tuesday.
January 13, 1970 fell on a Friday.
17th January 1970 was a Saturday.
10 January 1970 was a Saturday.
1 January 1970 was a Thursday.
28 January 1970 was a Wednesday.
October 13 1970 was a Tuesday.
January 5, 1970 fell on a Monday.
January 21, 1970 fell on a Wednesday.
January 13th, 1970 was a Tuesday.
January 22nd, 1970 fell on a Thursday.
January 9, 1970 fell on a Friday.
13 October 1970 was a Tuesday.