Microdata is an extension to HTML5, also known as HTML5 with Microdata, that allows adding some additional structure (semantic meaning) to HTML documents. These machine-readable properties can be processed by software searching for specific types of information. Some search engines, Google in particular, already support microdata in HTML5 and use it to improve search engine results.
I am specifically interested in the following Microdata schemas :
Art Galleries :
Creative Works :
Historical landmarks :
Historical people :