The investigation of a Fort Edward fight promoter charged this week with endangering participants in unsanctioned boxing and mixed martial arts matches began when a 16-year-old boy was knocked out by a 34-year-old man during a 2011 fight in Saratoga Springs, officials said.

David A. Archambault, 39, of Prospect Street faces charges in Saratoga Springs City Court and Lake George Town Court in connection with 2011 fights in the two municipalities.

He was charged with misdemeanor counts of reckless endangerment and endangering the welfare of a child and with violating the state’s combative sports act in the Saratoga Springs case. He was also charged with reckless endangerment and violation of the combative sports act in the Lake George case, records show.

For years, Archambault has promoted boxing and martial arts fights at local venues under the name Wild Child Productions. The charges allege he did not get proper state permits; have licensed referees or sanctioning; and that he violated safety standards by not having proper medical personnel present.

In one event, an April 2011 fight at the Knights of Columbus post in Saratoga Springs, a 16-year-old was illegally allowed to fight, according to court records. The fight lasted about 15 seconds, until the teen was knocked unconscious, authorities said.

The charges in Lake George pertain to an Aug. 19, 2011, 10-fight card at The Lake George Forum, during which a Hudson Falls man was knocked unconscious for 30 to 40 seconds, and medical aid was administered by two fans who went to the fighter’s aid, according to court records.

That fighter, Shane Willette of Hudson Falls, was taken to Glens Falls Hospital and treated for a concussion.

A video of the fight, called “The kick heard ‘round the world,” was posted on YouTube. It shows fighter Sterling Mosher kicking Willette as Willette is walking away, his back to Mosher.

“I was in the process of stopping the fight when Sterling Mosher threw a kick which knocked out Shane,” Archambault told police, according to court records.

Archambault told police Willette contacted him weeks after the fight, looking for a rematch against Mosher.

State law requires that New York State Athletic Commission sanction the events, but Archambault did not obtain the agency’s permit or adhere to its standards regarding medical personnel and pre-fight screening.

In a statement to investigators filed in Lake George Town Court, Archambault is quoted as saying his fights were sanctioned by the U.S. Muay Thai Association, and that he didn’t pay fighters or make any money from the events.

“I feel I go above and beyond to ensure the safety of the fighters at my events,” Archambault is quoted as saying in a statement filed in Lake George Town Court.

Authorities indicate in court records that attendees were charged $25 to $40 a ticket at the Lake George event, and Archambault said 100 to 300 fans attended.

The case is being prosecuted by the state attorney general’s office. A spokeswoman said the agency had no comment on the case as of Wednesday.

Wild Child Productions has a Facebook page used to promote its events, but the last event listed is the August 2011 fight card at The Forum. Archambault didn’t hide the events, but talked freely to a Post-Star sportswriter in 2011 about the Lake George event.

Archambault was arraigned and released, pending prosecution. Each of the charges is punishable by up to a year in county jail.

A phone message left on a voicemail for “Wild Child Boxing” was not returned Wednesday