Question: What was the code name "Overlord" assigned to?
About the article "Invasion of Normandy", section "Codenames".

Candidate passages:
In May 1944, "Utah" appeared as a solution in a "Daily Telegraph" crossword that was to have major repercussions.
Utah was also the codename for the D-Day beach assigned to the 4th US Assault Division.
This would have been considered a coincidence; however, in previous months the solution words "Juno", "Gold" and "Sword" (all code names for beaches assigned to the British) had appeared and then on 22 May 1944 came a clue with the solution "Omaha" (code name for the D-Day beach to be taken by the 1st US Assault Division).
"Overlord" (code name for the whole D-Day operation) appeared on 27 May and the pattern continued with "Mulberry" (code name for the floating harbours used in the landings) appearing on 30 May until finally, on 1 June, the solution to 15 Down was "Neptune" (code name for the naval assault phase).
MI5 became involved and called on Dawe, the compiler of the puzzles in question, at his home in Leatherhead.
Dawe recalled the episode in a BBC TV interview in 1958.
In 1984, Ronald French, a property manager in Wolverhampton, came forward to claim that, as a 14-year-old at the school in 1944, he inserted the names into the puzzles.
According to French, Dawe occasionally invited pupils into his study and encouraged them to help fill in the blank crossword patterns.
Later, Dawe would create clues for their solution words.
French claimed that during the weeks before D-Day he had learned of the codewords from Canadian and American soldiers billeted close by the school, awaiting the invasion.
French believed that hundreds of schoolchildren must have known what he knew. 
Barrow groups point to early settlement of what is now Wirfus.
In 1056, the municipality had its first documentary mention.
With the occupation of the Rhine’s left bank by French Revolutionary troops in 1794, the Electorate of Trier, for centuries the local overlord, fell.
In 1814 Wirfus was assigned to the Kingdom of Prussia at the Congress of Vienna.
Since 1946, it has been part of the then newly founded state of Rhineland-Palatinate. 
Overlord is the code name of Mikhail Derenko.
He was first released as an action figure in 1990, packaged with the "Dictator" attack tank/hovercraft.
He is suspected of being a former Crimson Guard member.
Regardless, he actually managed to take control of Cobra for some time.
He advocated 'traditional Cobra values' but this was just to mask his own personal grab for power.
Overlord appeared in the Devil's Due G.I.
Joe series.
He is responsible for the death of Chuckles, murdering him on the beach of Cobra Island in issue #25.
Moments later, Skidmark and Duke move in to arrest Overlord.
A helicopter falls on Skidmark, killing him.
He later goes to work for the Jugglers.
He is sent to Duke's secret base in Iceland.
There he mortally wounds Scanner, and locks Duke, Scarlett, and Snake-Eyes in a vault.
Scanner uses the last of his strength to activate the base's self-destruct, killing himself and Overlord.
Overlord appeared as a boss in the 1991 "G.I.
Joe" video game for the Nintendo Entertainment System. 
In the feudal system, the title overlord refers to a particularly powerful lord, who has power over many people and/or power over other lords.
Overlord may also refer to:  Operation Overlord, codename for the invasion of Normandy by Allied forces during World War II  Mount Overlord, an extinct volcano in Antarctica  Overlord meme, an Internet meme relating mock submission  Ariakon Overlord, a paintball pistol  Overlord system, popular name for structure of British government 1951-3  The HalloWeekends Overlord, the commander of the Screamsters during HalloWeekends at Cedar Point amusement park in Sandusky, Ohio, United States  
In 1997, a new public library built in Winnipeg was named for him, after a vote was held to choose the name of the new library.
Leo Mol donated a miniature of his statue of Stephenson to the library.
On 24 July 1999, The Princess Royal unveiled, in Stephenson's hometown of Winnipeg, Manitoba, near the Provincial Legislature on York Street, Leo Mol's life-sized bronze statue of Stephenson in military aviator uniform.
The monument is dedicated to Stephenson's memory and achievements.
On 15 November 2009, Water Avenue was renamed William Stephenson Way in Winnipeg.
Whitby, Ontario, has a street named for Stephenson, which connects with streets named Intrepid and Overlord.
In 2004 Sir William Stephenson Public School was opened in WhitbyIn Oshawa, Ontario, Branch 637 of the Royal Canadian Legion is named for Stephenson.
Located in southern Oshawa, Ontario, is a park named Intrepid Park, after Stephenson's code name.
This park is located in the vicinity of what was formerly Camp X.