Four groups with diametrically opposed viewpoints, including two with reputations for violence, are set to come face-to-face with each other tomorrow in Tennessee.

The 2018 Women's March scheduled its Knoxville event for Sunday, the same date on which the event was held last year.

Representatives for March For Life, a group that advocates against abortion, arranged to have a counter-protest in Knoxville, on the same day.

Upon hearing this news, neo-Nazi Matthew Heimbach organized a group of white supremacists to counter-protest the Women's March, as well, claiming to be in support of the March For Life, according to a blog published on January 12.

Following Heimbach's announcement, at least two sub-groups of Antifa, a term used to collectively refer to anti-fascist and anti-racist activists that are known for violent demonstrations, have planned to counter-protest Heimbach's demonstration.

Matthew Heimbach has organized a group of white supremacists to counter-protest the Women's March in Knoxville on Sunday, claiming to be in support of the March For Life

The 2018 Women's March participants all have their own reasons for showing up, but the overall message is one of unity and inclusiveness.

Those taking part have come out publicly to decry misogyny, sexual harassment and assault, lack of equal treatment in the workplace, discrimination in all forms, and the deportation of immigrant children.

Heimbach, who has been called 'The Little Fuhrer,' helped organize the violent 'Unite The Right' rally in Charlottesville, Virginia over the summer that left many injured and resulted in the death of anti-racist protester Heather Heyer.

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He wrote on his white nationalist group's site on January 12: 'As the defenders and advocates of women and our children, the Traditionalist Worker Party is taking a stand in Knoxville Tennessee on Sunday January 21st against the proposed feminist march and in support of the March for Life being held the same day.'

Representatives for March For Life issued a statement via Facebook this week, denouncing Heimbach's pledge of support from his neo-Nazi group, called the Traditionalist Worker Party (TWP).

'Any group or individual that promotes white supremacy or other dehumanizing world views, are not in tandem with the position of Tennessee Right to Life on the value of every person’s dignity and life,' Ed Albin, a Tennessee Right to Life leader, wrote on Wednesday.

'Our organization’s march has a single agenda to support the rights of mothers and the unborn, and we don’t agree with the violent agenda of white supremacists or Antifa.'

Heimbach (right) smiles while participating in a 'White Lives Matter' rally in Shelbyville, Tennessee on October 28

In claiming his neo-Nazi's group support for the March For Life, and disapproval of the Women's March, Heimbach wrote: 'Feminism and abortion are opposed to life in every way. The gift of having children is a blessing for woman, and the entire nation, and it should be promoted as truly sacred.'

In response to Heimbach's plan to bring 50-60 neo-Nazis to Knoxville on Sunday, the Women's March changed their planned protest route.

Two additional groups locally known for anti-racism activism also decided to show up on Sunday, after learning of Heimbach's plan.

The Holler Network and Nashville Anti-Racist Action released a statement, as well, as to their decision to have a demonstration of their own in Knoxville.

'The TWP and other white supremacist groups view Southeast Appalachia as an ideal region for a white separatist movement, and they prey upon rural and semi-rural areas to build their base,' the joint statement read.

'But their claims to Appalachia fly in the face of centuries of resistance to white supremacy and settler colonialism that are woven into these hills and rivers.

'From indigenous resistance to militant maroon communities, to multiracial labor strikes and prisoner uprisings, to the very existence of tight-knit black and brown communities across these hills, we know Appalachia has never been and will never be their all-white vision- as long as we continue to resist.

'So join us! Bring your love, solidarity, and rage to Knoxville on January 21st and help us take this trash the f*** outta East Tennessee!'

Matthew Heimbach of the Traditionalist Workers Party speaks to participants at a white nationalist's rally on October 28 in Shelbyville, Tennessee

The joint statement was posted on January 12 on It's Going Down, a website which describes itself as 'a digital community center from anarchist, anti-fascist, autonomous anti-capitalist and anti-colonial movements.'

The site says it's mission is 'to provide a resilient platform to publicize and promote revolutionary theory and action.'

Law enforcement in Knoxville has said they will do their best to keep Women’s March participants and those demonstrating against them in different locations, according to Knox News.

Bags will be checked and no weapons or bottles will be allowed in any of the protest areas.