The police had worried that this demonstration might draw strength from people who protested at an economic conference in Melbourne last week.
The demonstration today drew 40,000 people according to the police and 80,000 according to union officials.
A demonstration at the hospital yesterday drew more than 200 people protesting the incident.
While the Spanish demonstrations drew large crowds, some others were more sparsely attended.
Yet they admitted that the demonstrations had drawn more attention than support.
The demonstrations even drew support from a few international organizations representing reporters and made world headlines.
The demonstration drew about 1,000 people, a footnote to the more than 125,000 people who the police estimated marched against the war a day earlier.
A violent demonstration at the time drew 20000 participants to the site.
Organizers said the demonstration had drawn 200,000 people.
According to witnesses in Riga, the demonstration drew about 2,000 people.