[13] In 2012, it gave its first Freedom From Religion Foundation and Clergy Project "Hardship Grant" to Jerry DeWitt, a former pastor who left the ministry to join the atheist movement.

The Foundation's complaint alleged that "the use of money appropriated by Congress under Article I, section 8, to fund conferences that various executive branch agencies hold to promote President Bush's 'Faith-Based and Community Initiatives'" conflicted with the First Amendment.

'"[26] The FFRF also alleged that "the defendant officials 'engage in myriad activities, such as making public appearances and giving speeches, throughout the United States, intended to promote and advocate for funding for faith-based organizations.

[32] In October 2004, the Federal District Court for the District of Montana held that the state's "direct and preferential funding of inherently and pervasively religious parish nursing programs was undertaken for the impermissible purpose, and has the impermissible effect, of favoring and advancing the integration of religion into the provision of secular health care services."

[33] In April 2006, the FFRF sued to challenge the pervasive integration of "spirituality" into health care by the Department of Veteran Affairs.

[37] In March 2005, the FFRF filed suit against the University of Minnesota because of its involvement with the Minnesota Faith Health Consortium, a partnership with Luther Seminary, which is affiliated with the Evangelical Lutheran Church of America, and Fairview Health Services, stating that state taxpayer funds are helping to fund a faith-based organization.

[43] In January 2002, the ruling was decided in the FFRF's favor; that receiving hundreds of thousands of dollars in public money is in violation of the Establishment Clause.

"[44] On Appeal, in April 2003, the Seventh Circuit later ruled against the FFRF on the narrower issue of whether prisoners joining specific faith-based programs on their own free will are coerced by government endorsement of religion.

[47] In May 2006, the FFRF filed suit against the Federal Bureau of Prisons alleging that its decision to fund not only multi-faith-based but also single-faith-based programs violated constitutional standards for separation of state and church.

"[51] FFRF opposed the city of Versailles, Kentucky helping a church get federal funding to create a local disaster relief center.

[55] In September 2011, the FFRF, along with the American Civil Liberties Union (ACLU), sued the Giles County, Virginia, school district on behalf of anonymous plaintiffs.

Prior to the suit, in January and June 2011, the FFRF and the ACLU had sent letters to the school board requesting removal of the display.

[59] In May 2012, the FFRF, acting on a complaint from a resident, asked the city of Woonsocket, Rhode Island, to remove a Latin cross from a World War I and II memorial on public land.

[citation needed] In August 2012, the FFRF, on behalf of a resident, threatened a lawsuit challenging a Latin cross that had been displayed on top of the water tower of Whiteville, Tennessee.

[70] In 2012, the FFRF wrote several letters to Prudhommes Restaurant, in Columbia, Pennsylvania, explaining that offering a 10% discount to Sunday patrons who present a church bulletin is a violation of state and federal law, specifically the Civil Rights Act of 1964.

[71] The Pennsylvania Human Relations Commission entered a final order allowing the restaurant to continue the church bulletin discount.

In 2010, Federal judge Barbara Brandriff Crabb ruled it unconstitutional as it is "an inherently religious exercise that serves no secular function".

Christopher Line, an FFRF attorney, wrote a letter to the Lake County Commission Chairman Kirby Smith stating, "This Christian prayer, delivered because the invocation Mr. Richardson gave was not sufficiently Christian, was discriminatory, unconstitutional, and a slap in the face to all of Lake County's non-Christian citizens.

[80][81][82] This assembly would later make international news, by causing a multi-day walkout alongside Max Nibert and himself, including hundreds of their peers.

[83] In 2023, Felinton, alongside other parents, students, and the Freedom From Religion Foundation, settled a lawsuit against the Cabell County Board of Education to implement a ban on teacher-run religious events being held within school hours on campus.

[93] In November 2014, the U.S. Court of Appeals for the Seventh Circuit issued its decision, concluding that the federal tax code provision that treats church-provided housing allowances to ministers as income tax-free must stand.

The FFRF cited in its suit the placement of full-page ads by the Billy Graham Evangelistic Association; the diocese requiring priests to read a statement urging Catholics to vote; and the institution of "Pulpit Freedom Sunday".

The group claimed that not enforcing the federal tax codes that prohibit tax-exempt religious organizations from electioneering is a violation of the First Amendment of the Constitution.

[100] On December 23, 2009, William J. Kelly, conservative activist and candidate for Illinois Comptroller, attempted to remove a FFRF sign at a Christmas display.

[101] The case was dismissed on several grounds, including that the lawsuit ran afoul of the First Amendment prohibition against content-based discrimination and that the plaintiff's rights had not been violated.

Religion is but myth and superstition that hardens hearts and enslaves minds.In 2013, a natural nativity featuring Charles Darwin, Albert Einstein and Mark Twain as the three wise men, the Statue of Liberty and an astronaut as angels and an African American girl baby doll to represent that "humankind was birthed in Africa" was added.

The scene featured the Bill of Rights, three Founding Fathers, and the Statue of Liberty and a sign that wished everyone a "Happy Winter Solstice".

[111] On July 14, 2017, a statue of Clarence Darrow was unveiled in Dayton, Tennessee, on the Rhea County Courthouse lawn, funded by a $150,000 donation from the FFRF.

[113] After it was decided that the nativity scene would remain, the FFRF petitioned to have its own banner placed on the site, but county officials declined to discuss its placement.

Officer compensation for the "co-presidents", husband and wife Dan Barker and Annie Laurie Gaylor, was $88,700 and $86,500 ($175,200 combined) or approximately 10% of the net surplus.