Subsequent days saw large demonstrations ; on 21 February , a pro-government " Gathering of National Unity " drew tens of thousands , whilst on 22 February the number of protesters at the Pearl Roundabout peaked at over 150,000 after more than 100,000 protesters marched there . On 25 February , a national day of mourning was announced and large anti-government marches were staged . Participants were twice as much as those in the 22 February march , estimated at about 40 % of Bahraini citizens . Three days later hundreds protested outside parliament demanding the resignation of all MPs . As protests intensified toward the end of the month , King Hamad was forced to offer concessions in the form of the release of political prisoners and the dismissal of three government ministers
marched
March of loyalty to martyrs
Bahraini uprising of 2011