Revolutionaries

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"Some call them the dynamite faction, but they're very far from united. Socialists, anarchists, foreign agents: only their hatred of the Masters unites them."

Most Revolutionaries oppose the Bazaar and the Masters, though this group... isn't really a group.

The Calendar Council

The Calendar Council is the primary revolutionary organization in London. Its members, named after the months of the year, are for the most part plotting and planning for their end goal, the Liberation of Night. The philosophy behind it is spreading across the Unterzee and up to the Surface, and predates the Council itself.

• The title of January has been passed down at least once; the current iteration of January is the Masked Curator. She founded the Museum of Injustice, which exhibits many forms and acts of oppression. She was the former Dean of Benthic, and has written a book called Liber Stinguendi. As of 1906 in the Sunless Skies timeline, she leads the settlement of Pan in Eleutheria, and heads the Calendar Council's base there.
• February is searching for the Cave of the Nadir in the Forgotten Quarter, as it is of great interest to her cause. She's also involved in Knife-and-Candle, as a patron in the Moon League, and is a sworn rival of Mr Iron. As of 1906 in the Sunless Skies timeline, she resides in Pan.
• March was John Cassell, publisher of the Working Man's Friend and The Echo. He was a coffee-seller and self-proclaimed sworn enemy of Mr Wines. However, that iteration of March was killed by the Haunted Doctor, who had been hired to do it by the rest of the Council. 
• April is a master at building explosives, and her work has made her deaf. They say her real name is Emilia Hathersage, and she is one half of a partnership that makes the finest naval weapons in London.
• May is the Manager of the Royal Bethlehem Hotel.
• June is a woman who was the original architect of the Dawn Machine.
• July used to be a cultured society lady and violinist, but she lost her mind to a powerful Fingerking. She trades her memories for dreams of the future.
• August is the Jovial Contrarian, who knows quite a bit about various revolutionary causes despite not always being involved in them. He has some kind of relationship and/or rivalry with the Affluent Photographer.
• September is a man who resides in Balmoral, a Scottish holding of London that fell to the Neath with it. To Londoners, however, he is only known by reputation. As a member of the Calendar Council, he is fiercely interested in deciphering the writing patterns of Mr Pages, as he is convinced they hold a hidden meaning to understanding the Masters and their plans.
• October is a woman who dabbles in dreams and mirrors, and might be a sponsor of Mrs Plenty's House of Mirrors for this very purpose. She was also one of the past winners of the Marvellous; her heart's desire was for her dreams "to come true", and so she got stuck in Parabola but managed to imprison Mr Mirrors in the process.
• November has been missing for quite a while. Her lost cell and comrades have been trying to enact her plan in her stead, and maybe hasten her return.
• The leader of the Calendar Council is December, although nobody seems to know much about this ambiguously gendered individual. Their true name cannot be spoken by the human mouth, and the pale mask that they wear might be their actual face. Whoever they are, they seem adamant about either destroying or sharing the Mountain of Light's vitality. As of 1906 in the Sunless Skies timeline, they reside in Pan.

The idea of having leaders named after months may have come from G. K. Chesterton's The Man Who Was Thursday, about a bunch of anarchists (or so we are supposed to think) with leaders named after days of the week.

Other Factions

• The New Sequence is a rebellious faction of the Admiralty that serves the Dawn Machine. They can be identified by their gold-speckled eyes.
• The Seven Against Nidah are a group of individuals who seek to liberate the secret of immortality from the The Presbyterate.
• The Rosers were a group of artists and revolutionaries who were responsible for the end of the Fourth City, and took refuge in the hidden city of Arbor. 
• The Copper was a group of revolutionaries from the Fourth City who worshipped the God-Eaters.

Other Revolutionaries

• The Curt Relicker was on the Council until he fell in love with December and was kicked out.
• The Affluent Photographer is one of the Council's main correspondents.
• The Secular Missionary is a charming lady who has come to the Neath searching for her missing husband. She looks innocent, but is actually well-acquainted with anarchist causes. She has an apparent connection to, or preoccupation with, Joan of Arc. Her ulterior motive is to find the Cave of the Nadir, for use as a source of wealth or power, and potentially to sell the location to the highest bidder. She may not know its location, but does know how to enter it.
• The Revolutionary Firebrand is a recent arrival in London and the exceptionally handsome husband of the Secular Missionary. He is known for being a bit of a cheapskate. His ulterior motive is to find the Cave of the Nadir, for use as a secret location for plotting the Revolution. He doesn't quite know how to get in, but he knows where it is.
• The Radical Factotum is tasked by the Council to collect materials to advance the production of the Unclear Bomb such as Mourning Candles and Eyeless Skull. He also extracts people memories of Parabola.

• 
  February
• 
  May
• 
  July
• 
  August
• 
  September
• 
  October
• 
  November
• 
  December
• 
  The Secular Missionary
• 
  The Revolutionary Firebrand
• 
  The Radical Factotum

The Liberation of Night

A obscure future. Art from FL.

"Society's law is unjust because natural law is Unjust. Tyranny begins at the top. Not from the factory-owner; not even from the palace of a queen. But in the arch of heaven itself. Those who join us should be prepared to defy the suns. And prepared to win, for our grievances are immeasurable."

"With the aid of the Calendar Council, you begin to establish a new kind of society, a ripe and feverish vitality like corpse-fungus. Over time, the survivors adapt. [...] The principles you’ve developed here will function on a much larger scale. The Sun itself is not beyond your reach. The stars. The Judgements that rule the universe, that seemed eternal: you will end them."

"With the Judgements overthrown and their Chain broken, there would be nothing to limit the heights every being could reach."

An Unclear Bomb. Art from Sunless Sea.

The Liberation of Night is an anarchist plot to blow up the Bazaar and extinguish every light in the Neath. And this would only be a test run, because the Revolutionaries then plan to get rid of all the light in the universe (the Liberation being from the sources of said light and their tyranny).

The method through which this Liberation will be achieved is not entirely known. However, numerous Unclear Bombs (which behave similarly to nuclear bombs, but instead of a blinding flash they release blinding darkness) are scattered across the Zee floor, and the anarchists spend much of their resources trying to research unclear devices.

Sunless Skies

"February hands you each a glass of your Aunt's brandy. "London did approach us about building an Unclear Bomb. We had an enemy in common: the Masters of old London. The Calendar Council helped make them an Unclear Bomb. We used it to blow up the sun."

"She shrugs. "But that's ancient history. Not sure why you bothered me with all this. Still, shall we raise a toast? To old acquaintances never forgot.""

It's been a decade since London escaped and the zailors zailed away, and the Great Work has begun. The Traitor Empress, using her Unclear Bomb, managed to murder a star located far from Earth, the King of Hours. Its realm, what would soon become Albion, was then colonized and subjugated after Her Renewed Majesty led an exodus to through the Avid Horizon.

...Well, not really. Albion's sun was poisoned to death by another force. The bomb, which never actually had to be used, still exists and is now housed in the Most Serene Mausoleum. Meanwhile, Albion's Judgement was replaced by the Clockwork Sun, solidifying the victory of the New Sequence.

Meanwhile in Eleutheria, the Halved is at the forefront of the Liberation, radiating anti-light and making its realm as dark and chaotic as possible. It is responsible for the death of the Garden-King, causing the Reach to become overgrown and chaotic. Meanwhile, the Calendar Council has taken up residence in Pan, with December and January as their ringleaders. Crazed skyfarers known as Dousers have sworn to extinguish every light in Eleutheria, especially the electric bulbs of Eagle's Empyrean.

In short, the Suns are dying.