On April 19, 1995, a truck bomb expoded at the Alfred P. Murrah Federal Building in Oklahoma City, killing at least 168 people and injuring nearly 700 others. There were 19 children among the victims. Standing now on the grounds of the Murrah Building is the Oklahoma City National Memorial. The memorial contains 168 bronze and stone chairs, honoring each of the victims lost. Here’s a look at some images of the memorial park and museum, as we remember those lost on April 19, 1995.
Dawn breaks over the Oklahoma National Memorial on the day of Timothy McVeigh''s execution June 11, 2001 in Oklahoma City, Oklahoma. (Photo by Joe Raedle/Getty Images)
Mourners gather for a ceremony for the 168 killed in the 1995 bombing of the federal building April 19, 2007 in Oklahoma City, Oklahoma. Republican presidential hopeful Rudy Giuliani spoke at the annual rememberance, which this year comes days after a deranged gunman shot and killed 32 people on the campus of Virginia Tech before turning the gun on himself. (Photo by Briah Harkin/Getty Images)
Two-year-old Lora Korrell touches one of the chairs representing a victim of the 1995 bombing of the Alfred P. Murrah Federal Building, in the "Field of Empty Chairs" at the Oklahoma City National Memorial April 19, 2005 in Oklahoma City, Oklahoma. April 19, 2005 is the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people in what was, at the time, the worst terror attack in U.S. history. (Photo by Win McNamee/Getty Images)
Renee Pendley reacts to hearing the news that Timothy McVeigh is dead June 11, 2001 at the memorial chair of her best friend, Teresa Lauderdale, while visiting the Oklahoma City National Memorial in downtown Oklahoma City, Oklahoma. (Photo by Joe Raedle/Getty Images)
Visitors enter the Oklahoma City National Memorial June 10, 2001 in Oklahoma City, Oklahoma. Convicted Oklahoma City bomber Timothy McVeigh is scheduled to be executed on June 11, 2001 at a federal prison in Terre Haute, Indiana. (Photo by Joe Raedle/Getty Images)
Glenna Archer,11, points to the sky as she enters the Oklahoma City National Memorial June 10, 2001 in Oklahoma City, Oklahoma. Convicted Oklahoma City bomber Timothy McVeigh is scheduled to be executed on June 11, 2001 at a federal prison in Terre Haute, Indiana. (Photo by Joe Raedle/Getty Images)
The last minute before the explosion that destroyed the Alfred P. Murrah Federal Building, 9:01 a.m., is marked at the entrance to the Oklahoma City National Memorial April 18, 2005 in Oklahoma City, OK. Tuesday will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst domestic terror attack in U.S. history. (Photo by Win McNamee/Getty Images)
The first minute of the aftermath of the explosion that destroyed the Alfred P. Murrah Federal Building, 9:03 a.m., is marked at a gate to the Oklahoma City National Memorial April 18, 2005 in Oklahoma City, Oklahoma. Tuesday will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst domestic terror attack in U.S. history. (Photo by Win McNamee/Getty Images)
390424 28: The time that the 1995 Oklahoma City bomb ended its destruction is illuminated at the Oklahoma National Memorial June 11, 2001 in Oklahoma City, Oklahoma in the hours before the execution of Timothy McVeigh. (Photo by Joe Raedle/Getty Images)
Visitors walk past the reflections from a memorial wall with 9:03 etched into it, the time of the Oklahoma City bombing, on March 21, 2004 In Oklahoma City, Oklahoma. Trees and a church in the background are reflected in the pool of water that was once the street were a truck full of explosives was parked and is now the site of the Oklahoma City National Memorial. The chairs to the left symbolize the 168 people killed in the bombing on April 19, 1995 and are in the exact location were the Alfred P. Murrah Federal Building once stood. (Photo by Larry W. Smith/Getty Images)
Rick Luce comforts Farrah Luce as the two visit the "Field of Empty Chairs" at the Oklahoma City National Memorial representing the 168 victims of the Oklahoma City bombing April 18, 2005 in Oklahoma City, OK. Luce's grandmother, Margaret Goodson, died in the bombing. Tuesday will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst terror attack in American history. (Photo by Win McNamee/Getty Images)
The time that the 1995 Oklahoma City bomb ended its destruction is illuminated at the Oklahoma National Memorial June 11, 2001 in Oklahoma City, Oklahoma in the hours before the execution of Timothy McVeigh. (Photo by Joe Raedle/Getty Images)
Cathy McCaskell and her daugther Sarah, 4, mourn at the Oklahoma National Memorial chair representing McCaskell''s sister Terry Rees, June 11, 2001 in Oklahoma City, Oklahoma after the execution of convicted bomber Timothy McVeigh. (Photo by Joe Raedle/Getty Images)
Monica and Barry Wixson visit a wall covered with items left in memory of victims of the Oklahoma City bombing June 11, 2001 at the Oklahoma National Memorial in Oklahoma City, Oklahoma in the hours before Timothy McVeigh was executed. (Photo by Joe Raedle/Getty Images)
Matt Story, with his sister Dawn Mahan, mourn at the chair June 11, 2001 that represents their mother Frances Williams who was killed in the 1995 Oklahoma bombing as the two came to the Oklahoma National Memorial in Oklahoma City after witnessing the execution of convicted bomber Timothy McVeigh on a closed-circuit broadcast. About 230 people watched the execution of McVeigh on a closed-circuit broadcast in Oklahoma City. (Photo by Joe Raedle/Getty Images)
Oklahoma City resident Kevin Fruendt walks past the west fence where dedications are hung to the victims of the Murrah Building bombing during the 15th anniversary observance ceremony of the Murrah Building bombing April 19, 2010 in Oklahoma City, Oklahoma. Timothy McVeigh detonated a bomb outside the Alfred P. Murrah Federal Building on April 19, 1995, killing 168 people in what was then the largest terrorist attack in United States history. (Photo by Brett Deering/Getty Images)
Members of the Perrin Field Honor Guard Corp, made up of Boy Scouts from Pottsboro, Texas, line up facing the east gate before the 15th anniversary observance ceremony of the Murrah Building bombing April 19, 2010 in Oklahoma City, Oklahoma. Timothy McVeigh detonated a bomb outside the Alfred P. Murrah Federal Building on April 19, 1995, killing 168 people in what was then the largest terrorist attack in United States history. (Photo by Brett Deering/Getty Images)
Kelly Titus of Blanchard, Oklahoma prays as she kneels in front of the memorial chair of Rebecca Anderson at the Oklahoma City National Memorial April 13, 2003 in Oklahoma City, Oklahoma. Anderson was killed, along with 167 others, when a bomb exploded at the Alfred P. Murrah Federal Building in 1995. The eighth anniversary of the bombing will take place April 19. (Photo by Mark Zimmerman/Getty Images)
Visitors walk along the edge of the reflecting pool March 21, 2004 In Oklahoma City, Oklahoma. The memorial is in the same location where the Alfred P. Murrah Federal Building once stood before the terror bombing on April 19, 1995. (Photo by Larry W. Smith/Getty Images)
The writing on one of the walls entering the Oklahoma City National Memorial is seen March 21, 2004 In Oklahoma City, Oklahoma. The memorial is in the same location where the Alfred P. Murrah Federal Building once stood before the terror bombing on April 19, 1995. The second wall of the memorial can be seen in the background with the time of the bombing etched into it. (Photo by Larry W. Smith/Getty Images)
Spectators gather in front of the new Federal Building for ceremonies of dedication for the new Oklahoma City Federal Building on May 3, 2004 in Oklahoma City. The dedication of the new Federal Building takes place nine years after the bombing of the Alfred P. Murrah Federal Building just a block away. (Photo by Larry W. Smith/Getty Images)
Attendees place their hands over their hearts during the playing of the U.S. national anthem prior to a candlelight vigil at the Oklahoma City National Memorial in memory of the 168 victims killed in 1995 as a result of the bombing of the Alfred P. Murrah Federal Building April 17, 2005 in Oklahoma City, Oklahoma. Tuesday will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst terror attack in American history. (Photo by Win McNamee/Getty Images)
Regina Bonny, a survivor of the 1995 bombing of the Alfred P. Murrah Federal Building, touches the chair representing one of her five co-workers who died in the bombing in the "Field of Empty Chairs" at the Oklahoma City National Memorial April 19, 2005 in Oklahoma City, Oklahoma. April 19, 2005 is the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people in what was, at the time, the worst terror attack in U.S. history. (Photo by Win McNamee/Getty Images)
Carol Tims (L), a survivor of the 1995 bombing of the Alfred P. Murrah Federal Building, cries at the chair representing Mary Rentie, one the victims who died in the bombing, in the "Field of Empty Chairs" at the Oklahoma City National Memorial April 19, 2005 in Oklahoma City, Oklahoma. At right is Tims' friend, Judy Cleveland. April 19, 2005 is the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people in what was, at the time, the worst terror attack in U.S. history. (Photo by Win McNamee/Getty Images)
A candlelight vigil is held at the Oklahoma City National Memorial in memory of the 168 victims killed in 1995 as a result of the bombing of the Alfred P. Murrah Federal Building April 17, 2005 in Oklahoma City, Oklahoma. Tuesday will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst terror attack in American history. (Photo by Win McNamee/Getty Images)
A candlelight vigil is held at the Oklahoma City National Memorial in memory of the 168 victims killed in 1995 as a result of the bombing of the Alfred P. Murrah Federal Building April 17, 2005 in Oklahoma City, Oklahoma. Tuesday will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst terror attack in American history. (Photo by Win McNamee/Getty Images)
J.J. Jackson, who assisted the medical examiner office with death notifications from the 1995 bombing of the Alfred P. Murrah Federal Building, cries at the chair representing one the victims who died in the bombing in the "Field of Empty Chairs" at the Oklahoma City National Memorial April 19, 2005 in Oklahoma City, Oklahoma. April 19, 2005 is the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people in what was, at the time, the worst terror attack in U.S. history. (Photo by Win McNamee/Getty Images)
John Blitch, who lost family and friends in the bombing of the Murrah Federal Building in 1995, leans upon a chair in the "Field of Empty Chairs" at the Oklahoma City National Memorial April 19th, 2005 in Oklahoma City, Oklahoma. Today marks the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people in what was, at the time, the worst terror attack in American history. (Photo by Win McNamee/Getty Images)
A candlelight vigil is held at the Oklahoma City National Memorial in memory of the 168 victims killed in 1995 as a result of the bombing of the Alfred P. Murrah Federal Building April 17, 2005 in Oklahoma City, Oklahoma. Tuesday will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst terror attack in American history. (Photo by Win McNamee/Getty Images)
"Field of Empty Chairs", part of the Oklahoma City National Memorial, that represents each of the victims who died as a result of the attack on the Alfred P. Murrah Federal Building, is seen January 20, 2006 in Oklahoma City, Oklahoma. Michael Fortier, who played a role in the Oklahoma City bombing, is being released from an undisclosed Federal prison January 20 as part the deal that secured his testimony against Timothy McVeigh and Terry Nichols. (Photo by Brandi Simons/Getty Images)
Jane Thomas, collections manager at the Oklahoma City National Memorial, tends to one of the chairs representing the 168 people killed in the 1995 bombing of the Alfred P. Murrah Federal Building, one day prior to the 10th anniversary of the bombing April 18, 2005 in Oklahoma City, Oklahoma. April 19, 2005 will mark the 10th anniversary of the morning when Timothy McVeigh ignited a 4,800-pound fertilizer truck bomb that killed 168 people and injured 842 others in what was, at the time, the worst domestic terror attack in U.S. history. (Photo by Win McNamee/Getty Images)
A visitor looks at the faces of some of the victims of the Oklahoma City bombing at the Oklahoma National Memorial museum in Oklahoma City June 12, 2001, one day after the execution of Timothy McVeigh. (Photo by Joe Raedle/Getty Images)
A new time line announces the execution of Timothy McVeigh June 12, 2001 at the Oklahoma National Memorial museum in Oklahoma City, one day after the execution. (Photo by Joe Raedle/Getty Images)
A police mug shot of Timothy McVeigh is displayed June 12, 2001 at the Oklahoma National Memorial museum in Oklahoma City, one day after his execution. (Photo by Getty Images)