Found on Google’s Hot Trends:
Source: www.google.com/trends
Official First Day of Summer ~ June 21, 2007:
blogs.earthsky.org
Earth & Sky
Shuttle Viewing Times:
NASA HumanSpaceFlight
NASA SkyWatch
Shuttle Landing
screenshot from http://spaceflight.nasa.gov/realdata/sightings/cities/

Spinal Tap Summer Solstice Jam @ Stonehenge, England: www.abcnews.go.com