The police estimated the crowd at 100,000, while organizers claimed 250,000.
Organizers claimed 50,000 participants, but that seemed at least double the total number on the square.
Organizers of the march today claimed the crowd was much bigger than the police estimates.
It ended with a huge demonstration against the war, which the organizers claimed included the participation of 1,000,000 people.
Organizers nonetheless claimed success in drawing attention to immigrants' concerns.
Later the organizers claimed one million participants, estimated from aerial photographs.
At this point, show organizers claimed to have attracted over 30,000 attendees throughout the year.
Its organizers have claimed the rally is second only to Sturgis.
The organizers also claim this reduces traffic congestion on the island.
Organizers claimed cyclists were getting in the way of the event's artistic freedom.