Some people claim there is no reason to enact tougher gun laws in the United States.

We wholeheartedly disagree.

Here are 838 reasons — the dead and wounded from mass shootings in the last 23 months — for our nation’s elected of- ficials to “do something,” as the people of Ohio have chanted:

• Dayton, Ohio: 9 killed, 14 wounded. Sunday, Aug. 4

A gunman opened fire in the early hours of Sunday, Aug. 4, outside a club in the Oregon District. The gunman, Connor Betts, 24, was armed with an AR 15-style assault rifle fitted with a 100-round magazine. Among the dead is the gunman’s sister. Police, who killed the gunman, are still trying to determine the motive.

• El Paso, Texas: 22 killed, 25 wounded. Saturday, Aug. 3

Gunman Patrick Crusius, 21, opened fire with an AK 47- style rifle at an El Paso Walmart, killing 22 and wounding dozens of others before being taken into custody by police. Police, who found a hate-filled manifesto talking about stopping the “invasion” of immigrants into the U.S., are calling the massacre domestic terrorism.

• Gilroy, Calif.: 3 dead, 15 wounded. July 28

Gunman Santino William Legan, 19, cut a fence to enter the Gilroy Garlic Festival and unloaded his AK 47-style assault rifle on festivalgoers before shooting and killing himself. The shooter had posted neo-Nazi views on social media. Police are investigating it as possible domestic terrorism. He was wearing a bullet-resistant vest and carrying multiple magazines of ammunition.

• Abbeville, S.C.: 3 killed, 1 wounded. June 23

Elijah Tyrez Head, 19, charged with three counts of murder after fatally shooting three people with a hand-gun and wounding a fourth person inside an apartment. Police said the violent encounter began in the apartment complex parking lot. Police later took him in custody.

• Virginia Beach: 12 killed, 4 wounded. May 31

DeWayne Craddock, 40, a civil engineer with the Virginia Beach Public Utilities Department, emailed his resignation earlier in the day and then went to the city municipal building and opened fire with two .45-caliber pistols, extended ammunition magazines and a silencer, killing and wounding many of his colleagues. He was shot and killed by police.

• Aurora, Ill.: 5 killed, 6 wounded. Feb. 15

Gary Martin, 45, had been fired from his job as a factory worker at the Henry Pratt Co. manufacturing plant in suburban Chicago. He pulled out a .40-caliber handgun and killed five other employees.

• State College, Penn.: 3 killed, 1 wounded. Jan. 24

Gunman Jordan Witmer, 21, opened fire in a hotel restaurant then left and broke into a home and killed another person before fatally shooting himself.

• Sebring, Fla.: 5 killed. Jan. 23

Gunman Zephen Xaver, 21, shot and killed five people at a SunTrust Bank before barricading himself inside with a 9mm handgun. The former prison guard trainee later surrendered to a SWAT team.

• Thousand Oaks, Calif.: 12 killed, 18 wounded. Nov. 7, 2018

Gunman Ian David Long, 28, a former Marine, burst into the Borderline Bar and Grill packed with dancing college students, tossed a smoke bomb and began firing a .45-caliber handgun before fatally shooting himself.

• Pittsburgh: 11 killed, 6 wounded. Oct. 27, 2018

Gunman Robert Bowers, 46, a truck driver with a history of posting anti-Semitic material on social media, walked into the Tree of Life Synagogue in the city’s Squirrel Hill neighborhood and opened fire. He had an assault rifle and three handguns. He was shot and killed by police.

• Annapolis, Md.: 5 killed, 2 wounded. June 28, 2018 Gunman Jarrod W. Ramos, 38, who had harassed journalists at the Capital Gazette newspaper in Annapolis for publishing a story about him that he didn’t like, burst into the publication’s offices and opened fire with a 12-gauge shotgun. Police took him into custody.

• Santa Fe, Texas: 10 killed, 13 wounded. May 18, 2018

Gunman Dimitrios Pagourtzis, a 17-year-old junior, walked into the high school in this Houston suburb and opened fire on students with a shotgun and .38-caliber revolver he’d taken from his father. He surrendered to police.

• Parkland, Fla.: 17 killed, at least 12 wounded. Feb. 14, 2018

Gunman Nikolas Cruz, 19, had been expelled from Marjory Stoneman Douglas High School, but returned to the campus with a semiautomatic rifle and began a rampage killing students and staff. He was taken into custody by police.

• Sutherland Springs, Texas: 26 killed, 20 wounded. Nov. 5, 2017

Gunman Patrick Kelley, 26, an Air Force veteran with a history of domestic violence, killed 26 worshippers at First Baptist Church in the rural suburb of San Antonio. He was armed with an AR 15-style assault rifle. After being shot in the leg by one of the church members ,he fled and later turned the gun on himself and died. His military court martial for domestic abuse was never put in the FBI database by the military, allowing him to pass a background check and buy guns.

• Las Vegas: 58 killed, more than 500 wounded. Oct. 1, 2017

Gunman Stephen Paddock, 64, a real estate investor who once worked for the IRS, took aim from a room on the 32nd floor of the Mandalay Bay Resort and Casino on the Las Vegas strip and opened fire on a concert crowd below at the Route 91 Harvest music festival. He was found dead in the hotel room by a SWAT team. Investigators found a cache of 23 weapons in his hotel room, including 14 firearms that had been modified with bump stocks to allow him to shoot more rounds in less time.