LOL I thought you would get it pretty quick.
For those who don't know General Sherman is a VERY large Sequoia tree in Sequoia National Park. If I remember correctly it is estimated at 2,800 years old. I also think they say it is the largest living thing on the planet. Not the oldest that goes to another tree ( I forget where) but the largest.
See the link for the oldest tree on the planet at over 4,000 years old.
http://www.ket.org/pressroom/2001/49/NOVA__002817.html