Eight Curtiss “Jenny” planes of the First Aero Squadron take off from Columbus, New Mexico, in the first combat air mission in U.S. history. The First Aero Squadron, organized in 1914 after the outbreak of World War I, was on a support mission for the 7,000 U.S. troops who invaded Mexico to capture Mexican revolutionary Pancho Villa.

A riot breaks out in Harlem when local residents suspect that a Black boy has been beaten, and possibly killed, by a white business owner. Although the rumors turn out to be false, the riot highlights the struggles of Harlem's historically Black community against discrimination during the Great Depression.

On March 19, 1953, for the first time, audiences are able to sit in their living rooms and watch as the movie world’s most prestigious honors, the Academy Awards, are given out at the RKO Pantages Theatre in Hollywood, California.

With a $1,000 cash deposit against a sale price of $102,500, Elvis Presley agrees to purchase the home called Graceland on March 19, 1957.

The National Assembly grants “full power” to Premier Lon Nol, declares a state of emergency, and suspends four articles of the constitution, permitting arbitrary arrest and banning public assembly. Lon Nol and First Deputy Premier Prince Sisowath Sirik Matak had conducted a bloodless coup against Prince Norodom Sihanouk the day before and proclaimed the establishment of the Khmer Republic.

On March 19, 2003, the United States, along with coalition forces primarily from the United Kingdom, initiates war on Iraq. Just after explosions began to rock Baghdad, Iraq’s capital, U.S. President George W. Bush announced in a televised address, “At this hour, American and coalition forces are in the early stages of military operations to disarm Iraq, to free its people and to defend the world from grave danger.” President Bush and his advisors built much of their case for war on the specious claim that Iraq, under dictator Saddam Hussein, possessed or was in the process of building weapons of mass destruction.