Denver school shooting 17 days after 20th anniversary of Columbine

Today we had a school shooting in Denver, Colorado. Today is 17 days (17, the kill number, Kill=17) after the 20th anniversary of the Columbine High School mass shooting.

Look at the article for the Denver shooting today

1 dead and 7 wounded, just like 17

The mayor of Denver, Colorado is Michael Hancock. Measuring from today until his next upcoming birthday is 83 days