Various accounts existed of the Dalek discovery of Earth.
A near-omniscient life force observed that the greatest Dalek War Fleet ever assembled discovered and invaded Earth in its ancient prehistory, causing the extinction of the dinosaurs. They left behind a vast Dalek Vault underneath the future site of London. (COMIC: Invasion! The Enemy Within! [+]Loading...["Invasion! The Enemy Within! (comic story)"])
By some accounts, the Daleks first discovered Earth in 42, concurrent to the Skaro-year 7095, when London was first founded, (PROSE: Earth-Skaro Timescale [+]Loading...["Earth-Skaro Timescale (feature)"], From the world of the Daleks... [+]Loading...["From the world of the Daleks... (feature)"]) with the Daleks interacting with the original inhabitants of London. (PROSE: From the world of the Daleks... [+]Loading...["From the world of the Daleks... (feature)"])
A Reconnaissance Dalek, one of the first Daleks to leave Skaro, arrived on Earth in the 9th century. (TV: Resolution [+]Loading...["Resolution (TV story)"])
In the 2060s, Earth was unknown to the Daleks on Skaro due to the vast distance between the two planets. (COMIC: Legacy of Yesteryear [+]Loading...["Legacy of Yesteryear (comic story)"], The Road to Conflict [+]Loading...["The Road to Conflict (comic story)"]) Lodian discovered Earth from a powerful telescope in Skaro's Polar Mountains, but died before the Daleks could discover this knowledge. (COMIC: Legacy of Yesteryear [+]Loading...["Legacy of Yesteryear (comic story)"]) The human spaceship Starmaker journeyed to deep space and crashed on Skaro, causing humanity's first encounter with the Daleks. From this, the Golden Emperor determined the location of Earth and prepared to invade. (COMIC: The Road to Conflict [+]Loading...["The Road to Conflict (comic story)"]) The Daleks journeyed towards Earth, but were prevented from invading by the Elders. (COMIC: Return of the Elders [+]Loading...["Return of the Elders (comic story)"])
By some accounts, the 2150s Dalek invasion of Earth was the first encounter between Daleks and humanity. One account showed that before this invasion, the Daleks discovered Earth through deep-space telescopes orbiting Skaro. (PROSE: The History of the Daleks [+]Loading...["The History of the Daleks (short story)"])
John Ainsworth believed that the 2400s Dalek invasion of the solar system was the first Dalek invasion of Earth, following from the Daleks' encounter with the Elders. (GAME: The Fall and Rise of the Dalek Empire [+]Loading...["The Fall and Rise of the Dalek Empire (game)"])