date of burial or cremation https://www.wikidata.org/w/index.php?search=haswbstatement%3AP4602&title=Special:Search&profile=advanced&fulltext=1&advancedSearch-current=%7B%7D&ns0=1&ns120=1&ns146=1
date of death https://www.wikidata.org/w/index.php?search=haswbstatement%3AP570&title=Special:Search&profile=advanced&fulltext=1&advancedSearch-current=%7B%7D&ns0=1&ns120=1&ns146=1
etc.
All return 0 results which is definitely a bug.