January 18 1919 was a Saturday.
Probable Wednesday
what day of the week was January 1st 1936
1st January 1967 was a Sunday.
January 1st, 0001 fell on a Tuesday.
1st January 1960 was a Friday.
Friday
The 1st of January 2010 fell on a Friday.
It can be on any day [Saturday, January 1, 2011]
Wednesday
He died on Monday, january 6, 1919.
January 1, 1969 was a Wednesday.