close Video This Day in History: March 18 Take a look at all of the important historical events that took place on March 18th.On this day, March 18 …2019: Rep.... 1937: Nearly 300 people, most of them children, are killed in a natural gas explosion at the New London Consolidated School in Rusk County, Texas.... 1940: Adolf Hitler and Benito Mussolini meetat the Brenner Pass, where the Italian dictator agrees to join Germany’s war against France and Britain....