The last one
Christmas trees are one thing so it needs a comma after trees not Christmas; cozy sweaters are one thing so it <em>also </em>needs a comma after sweater; and that cancels out the first three.
Answer:
Jan 10, 1900 Mary Comes to Yorkshire
Jan 10, 1900 Collector F.M. Davis of Chicago was Arrested
Jan 20, 1900 Mary finds out about the garden
Jan 20, 1900 John Ruskin died
Feb 4, 1900 Mary meets Colin
Feb 4, 1900 Fire in St. ...
Feb 7, 1900 Dickon brings Mary gardening tools
Feb 7, 1900 Thomas R
Explanation:
There are 2 gerands in this sentence; these are in the verbs facing and frightening. A gerand is the -ing part at the end of a verb