1 of 5 | On October 2, 1968, President Lyndon B. Johnson signed legislation establishing Redwood National Park and North Cascades National Park, pictured here in 2012. In 1968, President Lyndon B. Johnson signed legislation establishing Redwood National Park and North Cascades National Park. John Allen Muhammad and Lee Boyd Malvo were both convicted of capital murder for the killings, which numbered 17 in total. File Photo by Kevin Dietsch/UPIIn 2020, President Donald Trump announced he and first lady Melania Trump were diagnosed with COVID-19. The president would go on to be hospitalized at Walter Reed National Military Medical Center for treatment.