The Manchester Massacre: In Manchester, England, Salman Ramadan Abedi kills 22 adults and children, in a suicide bombing, following a concert by Ariana Grande, an American pop singer.  Abedi’s sister claims the attack was in retaliation for the continued killings of Moslem children, by the United states, in the Islamic State War of Independence.

       [added 2/4/2023]

Subsequent Events:

8/21/2017                   11/17/2017                    6/26/2018

References:

2017 Manchester Arena bombing – Wikipedia
en.wikipedia.org/wiki/Manchester_Arena_bombing

Current U.s. National Debt:

$36,167,124,467,492

Source