Kathleen Kennedy, ATUC Vice President said, "This is an impromptu event to stand in solidarity with women across Scotland, the UK and the World."
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"Despite years of struggle women are still under-represented in many walks of life, we still earn less than our male counterparts and we are still most likely to suffer domestic abuse and other forms of male violence.
"We are appalled by Trump's attitude towards women as towards other minority groups and we need to stand together and shoe that this is unacceptable.
"Please come along and stand with us on Wednesday. Bring banners and placards."
The theme of International Women's Day this year is #BeBoldForChange. Organisers are calling on the masses and calling on individuals to help forge a better working world - a more gender inclusive world.
"Let's do our bit," urged Kathleen.