Source: Futility Closet

In May 1861, Union troops occupied Arlington House, Robert E. Lee’s mansion overlooking the capital. When Lee’s wife Mary Custis Lee wrote to the army expressing her concern about the house’s safety, she received this reply:
Mrs. R.E. Lee:
MADAM: Having been ordered by the Government to relieve Major-General Sandford in command of this department, I had the honor to receive this morning your letter of to-day, addressed to him at this place.
With respect to the occupation of Arlington by the United States troops, I beg to say it has been done by my predecessor with every regard to the preservation of the place. I am here temporarily in camp on the grounds, preferring this to sleeping in the house, under the circumstances which the painful state of the country places me with respect to its…