This Day in History April 19 1775 The American Revolutionary War begins as 400 British troops clash with 77 armed minutemen in Lexington, Massachusetts—it becomes known as “the shot heard ‘round the world” 1897 The first Boston Marathon is held, with John J. McDermott of New York winning the race—it has become the world’s most prestigious annual marathon 1919 Tense and complicated negotiations begin at the Paris Peace Conference over Italy’s claims to territory in the former Austro-Hungarian Empire—Italy would be disappointed by the results of the negotiations 1943 In Warsaw, Poland, during World War II, Nazi forces attempting to clear out the city’s Jewish ghetto are met by gunfire from Jewish resistance fighters, and the Warsaw Ghetto Uprising begins 1990 The TV movie Summer of Dreams: The Story of the Beach Boys premieres on ABC 1993 The FBI launches a tear-gas assault on the branch Davidian compound in Waco, Texas, ending a tense 51-day standoff between the federal government and an armed religious cult—by the end of the day, the compound was burned to the ground and 80 cult members, including 22 children, were dead 1995 A massive truck bomb explodes outside a federal building in Oklahoma City killing 168 people, including 19 young children who were in the building’s day- care center—the bombers were partly motivated by the Waco tragedy two years earlier 2012 Musician Greg Ham of Australian band Men at Work, best known for playing the saxophone on “Overkill” and “Who Can It Be Now” and the flute on “Down Under,” dies of a heart attack at his home in Melbourne at age 58 2020 A gunman disguised as a police officer goes on a 13-hour rampage in the Canadian province of Nova Scotia, shooting people in their homes and setting fires—with 22 dead, it is Canada’s largest mass shooting in history 2020 More than a thousand vehicles drive around the Arizona State Capitol to protest Governor Doug Ducey’s stay-at-home policies during the coronavirus pandemic— health care workers show up to counter-protest 2020 Tex Earnhardt, the colorful founder of an Arizona car dealership empire, dies at age 89—he opened his first dealership in Chandler in 1951 2020 The first two episodes of the documentary series The Last Dance premiere on ESPN—the series chronicles Michael Jordan’s final season with the Chicago Bulls (1997-98) 2021 British actress Helen McCrory, who played Narcissa Malfoy in the Harry Potter movies, died of cancer on Saturday at age 52—her husband was British actor Damian Lewis 2021 Jurors hear closing arguments today in the murder trial of former Minneapolis police officer Derek Chauvin, charged in last year’s death of George Floyd 2021 NASA makes history today with the first successful powered, controlled flight on another planet with the solar- powered Ingenuity Mars Helicopter 2021 All adults across the U.S. are eligible to receive a coronavirus vaccine beginning today—all adults in some states, including Arizona, were eligible before today.