What are the similarities between archaeology and history?

4 In conclusion, the difference between history and archaeology is the difference between Neanderthal and Homo sapiens – the latter is more technologically advanced, and the former, although casually misunderstood, nevertheless boasts a bigger brain. read more

The difference you mention - history studies documents while archaeology studies excavations - is not so much true. There is a field of archaeology called 'Historical Archaeology' in which documents are used to locate sites to begin with as well as to add context to preexisting excavations. read more