On this date (UTC) in 2011 a 6.1 earthquake hit Christchurch, New Zealand. The prior September the city had experienced a 7.2 magnitude quake. 185 were killed.
On this date in 1891 an explosion of coal dust in a deep mine at Springhill, Nova Scotia killed 125 and injured many more.
On this date in 1970 a bomb detonated aboard SwissAir Flight 330. While a controlled landing was attempted the plane crashed killing all 47 aboard. On the same day a similar cargo bomb exploded in a second plane, but that aircraft was able to land safely.
What’s on your mind related to homeland security?