past Buddhas never claimed to be founding a religion Siddhartha Gautama - Ancient History Encyclopedia no historical basis Siddhartha Gautama Siddhārtha Gautama past Buddhas Siddhartha Gautama no historical basis ancient.eu Siddhartha Gautama - Ancient History Encyclopedia Siddhartha Gautama Siddhartha Gautama Hindu Prince Gautama Siddharta never claimed to be founding a religion Siddhartha Gautama Siddhartha Gautama - Ancient History Encyclopedia