By calculation (generator: ["day_week@trueknowledge.com"]) I know that:
Thursday
is the day of the week of
September 10th 1970
Friday
is the day of the week of
September 10th 1971
Sunday
is the day of the week of
September 10th 1972
Monday
is the day of the week of
September 10th 1973
Tuesday
is the day of the week of
September 10th 1974
Wednesday
is the day of the week of
September 10th 1975
Friday
is the day of the week of
September 10th 1976
Saturday
is the day of the week of
September 10th 1977
Sunday
is the day of the week of
September 10th 1978
By calculation (generator: ["timepoint_when_day_happened_on@trueknowledge.com"]) I know that:
September 10th 1970
is a timepoint when the day happened on
Thursday, the 10th of September and 1970s