On this day, Feb. 14
1849 President James K. Polk became the first U.S. chief executive to be photographed while in office as he posed for Matthew Brady in New York City.
1962 First lady Jacqueline Kennedy conducted a televised tour of the White House in a videotaped special that was broadcast on CBS and NBC. Several nights later, it was broadcast on ABC, too.
1984 Two physicians — Henry T. Bahnson and Thomas Starzl — performed a simultaneous 16-hour liver and heart transplant operation on a 6-year-old girl at Children’s Hospital in Pittsburgh.
2013 Double-amputee and Olympic sprinter Oscar Pistorius shot and killed his girlfriend, Reeva Steenkamp, at his home in Pretoria, South Africa. He was later convicted of murder and is serving a 13-year prison term.
2017 A former store clerk was convicted in New York of murder in one of the nation’s most haunting missing-child cases, nearly 38 years after 6-year-old Etan Patz disappeared while on his way to a school bus stop. Some items are from Stefan Lorant’s “Pittsburgh: The Story of an American City” (digital.library.pitt.edu/chronology).
— Compiled by Alyssa Brown