Sky History 2 HD Friday

How, in 2021, the United States government broke a precedent of denying UFOs and released a groundbreaking report on Unidentified Aerial Phenomena

How, according to Ancient Astronaut Theorists, the placement of monoliths and their geological make-up could point to extraterrestrial intervention

Helen Newlove looks back on the harrowing night her husband Garry was beaten to death outside his home in Warrington, Cheshire, in 2007

The Battle of Trafalgar, a naval engagement contested in October 1805 between the British Royal Navy and the combined fleets of the French and Spanish Navies

The B-24 Liberator, which was used extensively in the Second World War where it served in every branch of the American-armed forces, as well as several Allied air forces and navies

How, in 2021, the United States government broke a precedent of denying UFOs and released a groundbreaking report on Unidentified Aerial Phenomena

How, according to Ancient Astronaut Theorists, the placement of monoliths and their geological make-up could point to extraterrestrial intervention

A look at how technological advances over the centuries have led to bigger and faster combat ships and transformed maritime warfare

A look at how maritime task forces and the Coast Guard are keeping commercial vessels and US shores safe from pirates and drug smugglers

A look at the largest, fastest and deadliest combat ships of their eras, from the 19th century's HMS Warrior to today's USS Gerald R Ford carrier

Maritime history's most effective lightning strikes, such as how the French frigate Nivôse set a trap to lure Somali pirates and a surprise attack on Tokyo in 1942

Auschwitz survivors explore the railways' part in the Nazis' plans to commit murder. Documentary exploring the role of trains in major conflicts of the past 150 years

The hunt is on for the Civil War Gold and for $1.5million taken in the Plymouth Mail robbery of 1962. Plus, treasure-seekers search for the Lost Dutchman mine

The 1989 Marchioness disaster, when a pleasure boat collided with a dredger ship on the River Thames, killing 51 partygoers

The infamous Beer Hall Putsch, an attempt by Adolf Hitler to take power in Germany by force. It was a day that would change the world for ever, birthing Hitler's regime

Patterns in UFO and UAP sightings across the world, focusing on findings in Alaska

Sightings of unexplained 'aerial phenomena' and reports of so-called 'first contact' moments, which are supported by credible eyewitness accounts or clear video footage

How, in 2021, the United States government broke a precedent of denying UFOs and released a groundbreaking report on Unidentified Aerial Phenomena

How, according to Ancient Astronaut Theorists, the placement of monoliths and their geological make-up could point to extraterrestrial intervention

The 1989 Marchioness disaster, when a pleasure boat collided with a dredger ship on the River Thames, killing 51 partygoers

Stories of the cut-throat world of river warfare, from Harriet Tubman's successful gunboat raid to the high-speed Patrol Boat River in Vietnam

The maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Small

Maritime explosions, including the sinking of a battleship, the demolition of a Nazi mega structure, the mining of an LST in Vietnam and an atomic blast on a battleship fleet

New painter Neil takes a perfectionist approach to re-painting Connor's '66 Chevelle Malibu. Mike worries that his car collection won't sell for much

Experts investigate why so many UFOs have been spotted near remote islands, and consider whether the remote outposts could be the earthly homes of aliens