A sing is held up during a protest against anti-immigration legislation before the U. S. Congress.

A sign that reads, "Stop 4437, Sensenbrener No" is held up by a protester at a rally to reject anti-immigration legislation before the U. S. Congress.

Protesters hold signs up during a demonstration against anti-immigration legislation before the U. S. Congress. One sign reads, "Humans are not Illegal."

Protesters raise signs while demonstrating against anti-immigration legislation. One sign reads, in part, "We Mexicans are Not Immagrents [sic] We are on Our Home..."

A sign that reads, "Legalization Not! Criminalization" is held up during a march in Dallas, Texas. The rally was to protest anti-immigration legislation being debated in the U. S. Congress.

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A sign reading, "Together We Stand Divided We Fall!' is raised above the heads of protesters during a march against anti-immigration legislation.

A sign is lifted above the heads of a line of protesters. The sign reads, "Together We Stand Divided We Fall!" The march was to show rejection of anti-immigration legislation being debated before the U. S. Congress.

Protest signs and American flags are waved by protesters at the beginning of the April "Mega March" in downtown Dallas. One large banner reads: "Jesus was immigrant (sic) / Your ancestors were / So are we."

Signs are held aloft by protesters. The protest was against anti-immigration measures before congress which would endanger undocumented immigrants.

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

A speaker addresses a crowd of protesters while a cameraman films her. Signs and a Mexican flag are being held up by the crowd.

Three women hold up signs during a demonstration in Dallas, Texas against anti-immigration proposals before the U. S. Congress.

Two signs are held up by women protesting against anti-immigration legislation. The signs read, "We Are Not Divided But United, No HR 4437," and "We Want Another [A]mnesty."

Two women raise their arms and chant during a march to protest anti-immigration legislation being debated in the U. S. Congress.

An immigration protester holds a sign that reads: "United by Love / Divided by Law / United we stand w/out / "minorities" - We all fall!" 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 wave signs and flags in the April protest. 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 waving signs and American flags march past vendors and onlookers. 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 woman hold up a sign that reads, "Vote 4 Dream Act." She is part of a demonstration against ante-immigration legislation in Dallas, Texas.

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

A woman holds up a sign that reads, "The founding fathers - The 1st Illegal Immigrants - Ironic isn't it?" during a march against anti-immigration legislation in the U. S. Congress.

A woman, wrapped in the American flag, is filmed addressing a crowd gathered to protest anti-immigration proposals being debated in the U. S. Senate.

Women hold up signs during a demonstration against anti-immigration legislation being debated in the U. S. Congress.

Two female immigration protesters carry a large banner while a male protester wearing a sombrero marches behind them. They are all surrounded by other protesters waving signs and American flags. 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.