Henry David Thoreau was born on this date in 1817, so it seems worth mentioning you can read his truly wonderful book, Walden, beautifully formatted and annotated, for free. You can also download Walden as an audiobook for free here.
“I went to the woods because I wished to live deliberately, to front only the essential facts of life, and see if I could not learn what it had to teach, and not, when I came to die, discover that I had not lived.” –from Walden
In a better world, we would all read Walden (and Civil Disobedience!) pretty damn often.