Its platform supports a standard set of socially liberal policies, including abortion rights, increased spending on education, and universal health care.

Fiorello La Guardia proposed a compromise in which the state executive committee would be divided between the factions and no communist would be on the election slate.

The passage of Hubert Humphrey's pro-civil rights plank at the 1948 Democratic National Convention was one of the main reasons the Liberals endorsed Harry S. Truman on September 1, 1948.

[27] Berle, Dubinsky, and Rose pushed for Herbert H. Lehman to seek the Democratic nomination in the 1949 U.S. Senate election[28] and the number of votes he received on the Liberal ballot line was greater than his margin of victory.

[31] A special election for New York City council president was held in 1951 to fill the vacancy created by Vincent R. Impellitteri ascending to the mayoralty.

The party saw this as a chance to elect their first citywide official, but considered running a fusion campaign with Newbold Morris or Jacob Javits.

Senator Paul Douglas while other party members supported Estes Kefauver, W. Averell Harriman, or Adlai Stevenson II.

[33] In the concurrent senatorial election the party opposed Democratic nominee John Cashmore and instead ran George Counts as their own candidate.

[39] The party attempted to recruit Thurgood Marshall to run against Adam Clayton Powell Jr. in the 1958 U.S. House election, but he declined.

[40] Active Defunct Journals TV channels Websites Other In 1960, the Liberal Party endorsed Kennedy for president.

The party wanted to pressure the Republicans further to the right and opposed Nelson Rockefeller and Javits, both of whom had been nominated by the Liberals in the past.

[41] The party aided Robert F. Kennedy in gaining the Democratic senatorial nomination in the 1964 election and also gave him their ballot line.

[42] The party gave its nomination to Republican nominee John Lindsay in the 1965 New York City mayoral election, despite opposition from members like Luigi Antonini, in exchange for one-third of the mayoral appointments, money for the Liberal campaign, and a citywide Liberal candidate.

[43] The Liberals pressured President Lyndon B. Johnson to not become involved in the election and Dubinsky wrote to him about how the ALP endorsed both Roosevelt and La Guardia.

The Liberals spent $300,000 during the campaign and the number of votes Lindsay received on their ballot line was greater than his margin of victory.

Rose wanted the party to endorse Javits, who they helped elect to the U.S. House in 1946, as he could easily gain them votes and they did not have control over who the Democratic nominee would be.

Percy Sutton contested the nomination, but withdrew after the state committee made Javits the party's nominee.

[53] Lindsay ran for reelection in the 1969 New York City mayoral election, but lost the Republican primary.

[54] Liberals for New Politics, a group seeking to reform the party, was formed by Clingan and city councilor Charles Taylor.

Rose died on December 28, 1976, and Davidson's wife collapsed on the same day, causing him to retire as executive director.

[61] The party initially planned on endorsing Republican Roy M. Goodman in the 1977 New York City mayoral election, but Governor Hugh Carey organized a meeting where he agreed to veto a bill moving primaries from September to June and convinced Mario Cuomo to run.

[65] The Liberal vote fell to 71,017, a small number over the 50,000 needed to retain ballot access, despite supporting Cuomo's successful campaign in the 1990 gubernatorial election.

"[69] In 2009, Raymond Harding pleaded guilty to having accepted more than $800,000 in exchange for doing political favors for Alan G. Hevesi, a New York politician who was a frequent Liberal Party endorsee.

[70] In 2005, the New York Daily News reported that incumbent New York City Mayor Michael Bloomberg, then a liberal Republican who favors abortion rights and same-sex marriage, was seeking to revive the Liberal Party – and thereby run on a "Republican/Liberal" ticket – in an effort to win over Democratic voters in the overwhelmingly Democratic city.

Prior to former New York City Parks Commissioner Henry Stern taking over as chairman in 2004, the Liberal Party's longtime leader was Raymond Harding (born Branko Hochwald; January 31, 1935 – August 9, 2012).

[72] Raymond Harding died August 9, 2012, in the Bronx of cancer, aged 77, depriving the Liberal Party of its best-known long-term figure.

During the 1949 election, they supported repealing the Taft–Hartley Act, allowing the Communist Party to legally exist, expanding Social Security, and the creation of a national healthcare system.

[77] Palestin called for an investigation into the Communist Party's involving in the deaths or disappearance of Juliet Stuart Poyntz, Carlo Tresca, and Leon Trotsky.

Palestin supported seating a Communist replacement on the city council following the death of Peter Cacchione, but Goldberg opposed it.

[79] Harrington opposed the United States entering the Vietnam War, but Rose wanted to avoid having the party taking a stance on the issue.