Question: The Aurora Encounter is a film based on an incident that occurred on what date?

Context paragraphs:
The Aurora Encounter: The Aurora Encounter is a 1986 American Weird Western science fiction film directed by the Jim McCullough Sr., written by Melody Brooke and Jim McCullough, Jr., and starring Jack Elam, Mickey Hays, Peter Brown, Carol Bagdasarian and Dottie West.  It was based on the Aurora, Texas, UFO incident.

Muro-Ami: Muro-Ami ("Reef Hunters") is a 1999 Filipino film that depicts one of the worst forms of child labor in the illegal fishing system.  The film follows the story of Fredo, a ruthless captain of 150 "Muro Ami" divers, who employ illegal fishing practices, such as pounding and crushing corals to scare fish, driving them towards the nets.  With a high quota to meet, Fredo forces the divers, who consist mostly of children, to accomplish at least eight dives a day to meet their goal before the millennium.  Tired and harassed after the burdensome task being given to them, the children have to make do in subhuman conditions in the Muro Ami boat, "The Aurora".  They sleep in rat-infested bunks and are fed only twice a day.  Life above the water in the boat is much worse than the suffering the children encounter beneath the sea.  For every dive, a child's life is perilously in danger.

Aurora, Texas, UFO incident: The Aurora, Texas, UFO incident reportedly occurred on April 17, 1897 when, according to locals, a UFO crashed on a farm near Aurora, Texas.  The incident (similar to the more famous Roswell UFO incident 50 years later) is claimed to have resulted in a fatality from the crash and the alleged alien body is to have been buried in an unmarked grave at the local cemetery.

Norwegian rocket incident: The Norwegian rocket incident, also known as the Black Brant scare, occurred on January 25, 1995, when a team of Norwegian and American scientists launched a Black Brant XII four-stage sounding rocket from the Andøya Rocket Range off the northwestern coast of Norway.  The rocket, which carried scientific equipment to study the aurora borealis over Svalbard, flew on a high northbound trajectory, which included an air corridor that stretches from Minuteman III nuclear missile silos in North Dakota, all the way to the Russian capital city of Moscow.

Chiles-Whitted UFO encounter: The Chiles-Whitted UFO encounter occurred on July 24, 1948 in the skies near Montgomery, Alabama.  Two commercial pilots, Clarence S. Chiles and John B. Whitted, claimed that at approximately 2:45 AM on July 24 they observed a "glowing object" pass by their plane before it appeared to pull up into a cloud and travel out of sight.  According to Air Force officer and Project Blue Book supervisor Edward J. Ruppelt, the Chiles-Whitted sighting was one of three "classic" UFO incidents in 1948 that convinced the personnel of Project Sign, Blue Book's predecessor, "that UFOs were real."  However, later studies by Air Force and civilian researchers indicated that Chiles and Whitted had seen a meteor, possibly a bolide, and in 1959 Project Blue Book formally stated that a meteor was the cause of the incident.

Lonnie Zamora incident: The Lonnie Zamora incident was an alleged UFO close encounter which occurred on Friday, April 24, 1964, at about 5:50 p.m., on the outskirts of Socorro, New Mexico.  Several primary witnesses emerged to report their version of the event, which included the craft's approach, conspicuous flame, and alleged physical evidence left behind immediately afterward.  Lonnie Zamora, a Socorro police officer who was on duty at the time, claimed to have come closest to the object and provided the most prolonged and comprehensive account.  Some physical trace evidence left behind—burned vegetation and soil, ground landing impressions, and metal scrapings on a broken rock in one of the impressions—was subsequently observed and analyzed by investigators for the military, law enforcement, and civilian UFO groups.

2013 Prague explosion: On April 29, 2013 at 10:38am CEST (8:38 UTC), an explosion occurred in a building in the centre of Prague, Czech Republic.  The incident occurred in a townhouse belonging to the Air Navigation Services of the Czech Republic on Divadelní street in Old Town, Prague 1, close to the Academy of Sciences and National Theatre.  The blast could be heard across the whole city centre, as far away as Prague Castle, 1.4 km (1 mi) away from the incident.  43 people were injured by the blast, one seriously.  No one was killed.  The resulting shock wave from the blast damaged windows in nearby buildings including the National Theatre, Café Slavia, the Film and TV School of the Academy of Performing Arts in Prague (FAMU), the Faculty of Social Sciences of Charles University and the Academy of Sciences of the Czech Republic.

List of Amagami SS episodes: "Amagami SS" is a 2010 anime series based on the PS2 Dating sim "Amagami".  The series follows Junichi Tachibana, a second year high school student from Kibitou High who dislikes celebrating Christmas due to a past incident two years ago when his date stood him up on Christmas Eve which left him heartbroken.  However, this Christmas will be different as his encounter with one of these six girls, Haruka Morishima, Kaoru Tanamachi, Sae Nakata, Ai Nanasaki, Rihoko Sakurai and Tsukasa Ayatsuji will finally open up his heart to love again.  The anime adaptation is rather unusual as it is divided into several story arcs where each arc focuses on one of the main heroines who will become Junichi's love interest.  Two extra episodes which features Risa Kamizaki and Miya Tachibana as the heroines was released on the 13th anime Blu-ray/DVD on April 29, 2011 along with two Short Side-Story OVAs for those who order the first 12 Blu-ray/DVDs.  On August 13, 2011, a second season of "Amagami SS" was announced.  The second season, titled "Amagami SS+ plus", aired on January 5, 2012 to March 29, 2012.

Rajnandgaon ambush: The Rajnandgaon ambush occurred on 12 July 2009, when at least 29 members of the Indian Police were killed in an ambush attack by Maoist rebels in Rajnandgaon, 90 km from Raipur (India's Chhattisgarh state). The Rajnandgaon ambush is one of the biggest instances of naxal attacks in the state of Chhattisgarh in which 29 Police Personnel including The Superintendent of Police of Rajnadgaon district, Shri Vinod Kumar Chaubey, was martyred.  Chaubey was a member of The elite Indian Police Service of 1998 batch.  It was the first and only naxal incident in Chhattisgarh till date to have claimed the life of an officer of the Indian Police Service.  For the immense gallantry displayed by Chaubey in this horrific incident, The president of India awarded him with the second highest award for gallantry in India, The Kirti Chakra.  He is the only officer in the state to have received a gallantry award of The Ashoka Chakra Series.  The citation for Kirti Chakra reads as follows -

Exeter incident: The Exeter incident was a highly publicized UFO sighting that occurred on September 3, 1965, approximately 5 miles (8 km) south of Exeter, New Hampshire, in the neighboring town of Kensington.  Although several separate sightings had been made by numerous witnesses in the weeks leading up to September 3, the specific incident, eventually to become by far the most famous, involved a local teenager and two police officers.  The November/December 2011 edition of "Skeptical Inquirer" offers an explanation of the incident, based on details reported by the eyewitnesses.

Supporting paragraphs: The Aurora Encounter Aurora, Texas, UFO incident
Answer: April 17, 1897