This city was the scene of one of the most violent demonstrations in american history in 1999 when 100,000 people engaged in civil protest against the wto? seattle, washington washington, dc selma, alabama los angeles, california

The city which was the scene of one of the most violent demonstrations in American history in 1999 when 100,000 people engaged in civil protest against the World Trade Organization was Seattle, Washington. This happened on November 30th outside the Washington State and Convention and Trade Center where trade negotiations were taking place. The protesters were part of the anti-globalization movement.