In July 2005, 52 people were killed and 784 injured when Islamists bombed the London subway.
In March 2016, 32 people were killed and 340 injured when Islamists attacked the Brussels airport and subway stations.
In May 2017, 22 people were killed and 512 injured when an Islamist bombed an Ariana Grande concert in Manchester, England.
We have faced similar atrocities here in the United States.
April 15, 2013. Five people were killed and 180 injured during the Boston Marathon bombings.
December 2, 2015. Fourteen people were killed and 22 wounded after two Islamists attacked a Christmas party in San Bernardino.
October 31, 2017. Eight people were killed and 11 injured after an Islamist drove a rental truck down lower Manhattan targeting cyclists and pedestrians.