five hundred state historical markers
... that there are over five hundred state historical markers in the U.S. state of Indiana?
... that there are over <b id="mwBMQ"><a href="./List_of_Indiana_state_historical_markers" id="mwBMU" rel="mw:WikiLink" title="List of Indiana state historical markers">five hundred state historical markers</a></b> in the U.S. state of Indiana?