Welcome to the 100 Hours of Astronomy! Although it technically started yesterday (April 2nd, 2008), the 100 Hours of Astronomy will continue through April 5th, 2008.
The 100 Hours of Astronomy (100HA) is a cornerstone project of the International Year of Astronomy 2009. All across the world, people are getting together in parks and public venues to show the world the skies! Most of the big events are starting today, so check out the official 100HA website to see some of the webcasts! Part of the 100HA is the "24 Hour Star Party", an event taking place on Saturday, April 4th, 2009, which includes public "sidewalk astronomy". If you would like to attend an event like this, check out the forum at www.cloudynights.com and see if there are any postings for your area.
I myself will be helping with an event in Northeast Ohio tomorrow (April 4, 2008). If you'd like details, send me an e-mail and I'll give you directions. The weather isn't looking good for Ohio, however.