This is extremely unlikely to ever happen.
They would unite to overthrow the political and social order
Gandhi went on a hunger strike to unite his people when they fought
All power to the working class! Workers of the world, unite!
He tried to unite the workers so that they could stand up to the employer's plans.
Monster Hunter Freedom Unite happened in 2008.
On Karl Marx' grave it says " workers all of the world unite"
Social Democratic Party.
The work is The Communist Manifesto.
East Germany's motto is 'Workers of the world, unite!'.
The political slogan Workers of the world, unite!is one of the most famous rallying cries from the Communist Manifesto (1848), by Karl Marx and Friedrich Engels (German: Proletarier aller Länder vereinigt Euch!, literally "Proletarians of all countries, unite!" but soon popularized in English as "Workers of the world, unite! You have nothing to lose but your chains!")
yes.
The motto of People's Socialist Republic of Albania is 'Workers of the world, unite!'.