January 31 in San Antonio history…

1903
The Sunset railroad depot opens in downtown San Antonio (right).

1914
The telephone company announced a total of 11,000 home telephones were in use in the Alamo City.

1935
A $500,000 remodeling program made the St. Anthony Hotel the only air-conditioned hotel in Texas.

1949
The lowest temperature ever in San Antonio is recorded on this day.  The mercury plunges to a brutally cold 0 degrees Fahrenheit and the city shivers under a 4.7 inch snowfall.