Windows calendar says it was a Sunday.
Explorer 1 was launched on January 31, 1958. It was the first satellite launched by the United States.
thirty-one days.
16th August 1954 was a Monday.
6th August 1954 was a Friday.
September 1953 had 31 days because September always has 30 days, and there was an extra day added that year for a total of 31 days. The extra day was added in February, making it a leap year.
18 January 1954 was a Monday.
13 January 1954 was a Wednesday.
January 22nd 1954 was a Friday.
January 24th, 1954, was a Sunday.
January 19, 1954 was a Tuesday.
January 29th, 1954 fell on a Friday.
January 26th, 1954 fell on a Tuesday.
January 6th, 1954 fell on a Wednesday.
January 16, 1954 fell on a Saturday.
31 January 1965 was a Sunday.
January 31, 1949, was a Monday.
January 31, 1957, was a Thursday.