Just one sentence, from the preface to David M. Halperin’s One Hundred Years of Homosexuality:
The author and publisher of this volume have arranged to donate half of the author’s proceeds from its sale to the San Francisco AIDS Foundation.
Halperin’s book was published in 1990; the preface is dated June 1988. One could write an entire essay—nay, an entire book—on the meaning of Historical Moment and context in historiography just out of that sentence.
Unfortunately, I’m too tired.