Solidarity ( , pronounced ; full name : Independent Self-governing Trade Union `` Solidarity '' -- `` Niezależny Samorządny Związek Zawodowy „ Solidarność '' '' ) is a Polish trade union that was founded on 17 September 1980 at the Gdańsk Shipyard under the leadership of Lech Wałęsa .
, pronounced ] ; full name : Independent Self-governing Trade Union `` Solidarity '' -- `` Niezależny Samorządny Związek Zawodowy `` Solidarność '' '' ] ) is a Polish trade union that began on 17 September 1980 at the Gdańsk Shipyard under the leadership of Lech Wałęsa .