Protestors have taken to the streets across the United States, hoisting anti-Donald Trump placards and donning pink hats for a second Women's March opposing the President – one year to the day of his inauguration. Hundreds of thousands of marchers assembled in Washington, New York, Chicago, Denver, Boston, Los Angeles and other cities. <br/><br/>The Los Angeles Mayor said, the estimated turnout in the city was 500,000, while New York police estimated about 200,000 protesters. In Manhattan, a diverse crowd descended on Central Park West, the avenue that borders the city's park and arrives at the foot of the Trump International Hotel.<br/>'<br/>The marches aim to build on the movement launched last year when more than three million people turned out nationwide to voice opposition to Mr Trump.<br/>'<br/>The President, meanwhile, in a tweet has urged people to get out there and celebrate the historic milestones and unprecedented economic success and wealth creation that has taken place over the last 12 months.<br/>