A large crowd of immigration protesters wave signs and American flags at the beginning of the April Mega March in Dallas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

An immigration protester holds a sign with photos of Dr. Martin Luther King, Jr. attached and text that reads: "Just Like Dr. King / "I Have A Dream 2" / "Let Freedom Ring" / Now 4 Us" According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

Immigration protesters of varying ages wave signs and American flags outside the Cathedral Santuario de Guadalupe (Cathedral Shrine of Our Lady of Guadalupe) of Dallas. One young protester holds a sign that reads: "We are not terrorist (sic) We are workers." According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

Marchers, carrying signs, march past a sign for the Dallas Museum of Art Sculpture Garden.

A man uses a bullhorn to address protesters and witnesses to a march in Dallas, Texas.

Children take part in a protest march in Dallas, Texas. Signs and banners,in Spanish and English, are carried by the adults.

Protesters carry signs, the flag of Mexico, and a banner for the International Coalition of Mexicans Abroad during a march in Dallas, Texas.

Protesters carry signs and Mexican flags as they march in downtown Dallas, Texas.

A man uses a microphone as he gives a speech. He stands in front of a mural that reads, "El Salvador."

Protesters carry hand lettered signs as they march in Dallas, Texas.

Protesters march down a street in Dallas, Texas carrying hand lettered signs in Spanish and English.

A group of protesters carry hand lettered signs on the corner of North Houston and Elm Streets in Dallas, Texas.

A woman holds up one end of a hand lettered sign during a protest march in Dallas, Texas.

A man holds up a sign that reads, "USA Congress You Gave Me a Tax Number to Pay Taxes But Don't Give Me a Work Permit It's Funny Real Funny."

Photograph of a large crowd of immigration protesters carry signs and (mostly) American flags in downtown Dallas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States.The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

A large crowd of immigration protesters holding signs and American flags gather in downtown Dallas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

Photograph of a large gathering of immigration protesters with American flags and protest signs rally in downtown Dallas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States.The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

Photograph of a large crowd carrying American flags and protest signs gathers in downtown Dallas in protest of U.S. immigration policy. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

A large gathering of immigration protesters with American flags and protest signs rally in downtown Dallas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

A large crowd of protesters (some holding signs and many holding American flags) gather in downtown Dallas, Texas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

A large crowd of immigration protesters (some holding signs and many holding flags) gather in downtown Dallas, Texas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

A large crowd of immigration protesters (some holding signs and many holding American flags) gather in downtown Dallas, Texas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

A large crowd of protesters carrying signs and American flags gather in downtown Dallas, Texas. The downtown buildings cast a shadow over part of the crowd. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

A large crowd of immigration protesters (some holding signs and many holding American flags) gather in downtown Dallas, Texas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.