It was a Sunday.
January 23rd, 1900 was a Tuesday.
January 1, 2201 would be the first day of the 23rd Century.
It was a Sunday.
23rd
It was a Wednesday.
It was a Saturday.
January 23rd, 1989 fell on a Monday.
January 23, 1942 fell on a Friday.
January 23, 2009 fell on a Friday.
On the day the question was asked, the 16th of November 2011, the answer was 4179 days. On the day it is being answered, the 23rd of January 2015, the answer is 5343 days.
23rd, day of January 1964 :)
His birthday is on January 23rd.