By calculation (generator: ["day_week@trueknowledge.com"]) I know that:
Monday
is the day of the week of
October 18th 1920
Tuesday
is the day of the week of
October 18th 1921
Wednesday
is the day of the week of
October 18th 1922
Thursday
is the day of the week of
October 18th 1923
Saturday
is the day of the week of
October 18th 1924
Sunday
is the day of the week of
October 18th 1925
Monday
is the day of the week of
October 18th 1926
Tuesday
is the day of the week of
October 18th 1927
Thursday
is the day of the week of
October 18th 1928
By calculation (generator: ["timepoint_when_day_happened_on@trueknowledge.com"]) I know that:
October 18th 1923
is a timepoint when the day happened on
Thursday, the 18th of October and 1920s
October 18th 1928
is a timepoint when the day happened on
Thursday, the 18th of October and 1920s