DateHistogram

DateHistogram[{date1,date2,…}] plots a histogram of the dates datei.

DateHistogram[{date1,date2,…},bspec] plots a histogram with bin width specification bspec.

DateHistogram[{date1,date2,…},bspec,hspec] plots a histogram with bin heights computed according to the specification hspec.

DateHistogram[{data1,data2,…}] plots histograms for multiple datasets datai.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.