The historic nomination takes on significance, because it comes at a time when women's rights are under attack by Republicans in state after state across this country.
"We have begun a political revolution to transform America and that revolution - our revolution - continues," said Sanders, to prolonged, thunderous applause.
"Trump is a bully and a demagogue," Sanders said; "Trump has made bigotry and hatred the cornerstone of his campaign."
Some said he was appealing to the worst instincts of white workers who have legitimate grievances and reasons to be dissatisfied with the government.
"When a young black life is cut short, it's a personal loss, but it's also a loss that diminishes all of us."
"A woman being elected to office is not just about that woman's achievement but what it means in the lives of the women in the nation."
Rep. Alan Grayson, the Rev. Jesse Jackson, and Jim Hightower were among the cavalcade of progressives who made appearances.
Revolutionaries went on to defeat the U. S. supported dictatorship of Fulgencio Batista. In doing so, they launched the Cuban project of building a socialist society.
Trump says he plans to appoint someone like Scalia, and there has never been a more militant homophobe on the Court.