or indeed two weeks hence 'Old Lammas' if you follow the old calender

Being extra pedantic, and crossing the Summer Solstice / Autumn equinox on the Lunar axis as Lammas Does, then by right (& rite) it should be properly observed on the 13th of August this year, which is the night of The Sturgeon Moon when this large fish of the Great Lakes and other major bodies of water like Lake Champlain is most readily caught. A few tribes knew it as the Full Red Moon because when the moon rises it looks reddish through sultry haze, or the Green Corn Moon or Grain Moon. Hence this old Lammas-feasting chant:

http://www.youtube.com/watch?v=UZA7OT3Ib5I