TRANSIT OF MERCURY: On Monday morning, May 9th, Mercury will pass directly between Earth and the sun, producing a rare transit visible from the Americas, Europe, Africa and parts of Asia. Visit Spaceweather.com for observing tips and links to live webcasts.
I've been meaning to purchase a pair of welder's goggles or eclipse glasses for such events and looks like I'm a little too late for this one. However, I will be ready for next years full solar eclipse.