Dallas tries to make its peace with fateful day ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Tony Gutierrez/AP This year marks the 50 years since President John F. Kennedy was assassinated in Dallas. Shown here, the city's skyline in 2013 as Air Force One carrying President Obama made its approach. Ralph Lauer for The Boston Globe Lindalyn Adams of the Dallas County Historical Foundation looked out of the window above where Lee Harvey Oswald allegedly shot Kennedy “It was so horrible, so horrible,” Adams says, shaking her head slightly. Ralph Lauer for The Boston Globe Dallas will hold an official ceremony Friday at Dealey Plaza, which is visited by thousands of people each day. LM Otero/AP Chris Carson of Asheville, N.C., visited the John F. Kennedy Memorial in downtown Dallas. Ralph Lauer for the Boston Globe Fourth-grade teacher Holly Bolduc brought her math and science classes to Dealey Plaza to learn about the events that unfolded at the historic site. Ralph Lauer for The Boston Globe Chas Shelton prepared the frame for an etched stone memorial plaque on the grassy knoll overlooking Dealey Plaza. LM Otero/AP The picket fence atop the grassy knoll is adorned with graffiti overlooking the site on Dealey Plaza where Kennedy was assassinated. LM Otero/AP Self-styled “assassination researchers” periodically mark the spots where bullets struck the president, but the city removes the markings, only to find them repainted once again. James W. (Ike) Altgens/AP Kennedy's motorcade proceeded along Elm Street past the Texas School Book Depository in Dallas on Nov. 22, 1963. Governor John Connally was also shot in the assassination. SIXTH FLOOR MUSEUM AT DEALEY Sixth Floor Museum at Dealey Plaza/EPA The gun supposedly used by Lee Harvey Oswald to assassinate Kennedy on display at The Sixth Floor Museum at Dealey Plaza in Dallas. Left: Dallas Police Department/Dallas Municipal Archives/University of North Texas; Right: Adrees Latif/Reuters Cars traveled on the road past the Texas School Book Depository in Dallas on Nov. 22, 1963 (left), and the same location pictured earlier this November. BRENDAN SMIALOWSKI/AFP/Getty Images A view of the old city hall, which once housed the Dallas City Jail where Lee Harvey Oswald was held.