 In the almanac this morning, it was this date in 1965, Mariner 4, the uncrewed space probe launched by NASA the year before, flew by Mars and returned close-up pictures of the surface of Mars. In 1988, on this date, we saw the movie Die Hard for the first time, first released there in U.S. theaters. On this date in 2006, Jack Dorsey, Evan Williams, and Biz Stone publicly launched their online microblogging service,