House Democrats predicted on the eve of a floor vote to create a national women's history museum that the decades-long effort would finally be signed into law this year given both parties' need to appeal to women in the November elections.

The House is slated to easily pass legislation on Tuesday that would establish a women's history museum within the Smithsonian Institution, the culmination of an effort by House Oversight and Reform Committee Chairwoman Carolyn Maloney Carolyn Bosher MaloneyHouse panel advances bill to ban Postal Service leaders from holding political positions Shakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' DHS IG won't investigate after watchdog said Wolf, Cuccinelli appointments violated law MORE (D-N.Y.) spanning back to 1998.

It wasn't until 2014 that the House passed a bipartisan bill led by Maloney that created a commission to study the idea of a women's history museum on or near the National Mall. That commission produced a report in 2016 with recommendations for building such a museum.

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Maloney introduced a bill in 2017 similar to the one up for a vote this week to create the proposed museum, but it didn't advance in the then-GOP-controlled House.

Neither Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellMcConnell focuses on confirming judicial nominees with COVID-19 talks stalled McConnell accuses Democrats of sowing division by 'downplaying progress' on election security Warren, Schumer introduce plan for next president to cancel ,000 in student debt MORE (R-Ky.) nor President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE has committed to supporting the legislation at this point. Aides to McConnell and Trump didn't offer additional guidance when asked for comment on Monday.

When asked about the path forward for the bill, House Majority Leader Steny Hoyer Steny Hamilton HoyerHouse Democrats postpone vote on marijuana decriminalization bill Democrats scramble on COVID-19 relief amid division, Trump surprise The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Pence lauds Harris as 'experienced debater'; Trump, Biden diverge over debate prep MORE (D-Md.) noted that women are expected to make up more than half the electorate in 2020. Eligible female voters have consistently voted at higher rates than men in recent elections.

"That will have a real telling on the Senate and on the president," Hoyer said.

"It's an election year. I don't see how you can fail to pass this bill in the Senate during an election year," added Del. Eleanor Holmes Norton Eleanor Holmes NortonShakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' DeJoy defends Postal Service changes at combative House hearing DC delegate highlights effects of Postal Service quagmire on community MORE (D), the District of Columbia's nonvoting member of Congress.

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Maloney said that she plans to meet Tuesday with Sens. Susan Collins Susan Margaret CollinsThe Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally Gideon leads Collins by 12 points in Maine Senate race: poll Senate leaders quash talk of rank-and-file COVID-19 deal MORE (R-Maine) and Dianne Feinstein Dianne Emiel FeinsteinSenators offer disaster tax relief bill Democrats back away from quick reversal of Trump tax cuts Congress must save the Postal Service from collapse — our economy depends on it MORE (D-Calif.), the authors of a Senate companion bill to create the women's museum, about the path forward in the upper chamber. But she predicted that Trump, whose eponymous tower in Manhattan is located in Maloney's district, would ultimately back the bill.

"I firmly believe that the president of the United States would support it," Maloney said.

Maloney's bill in 2014 to create a privately funded commission to study the concept of a women's history museum passed with widespread bipartisan support. But 33 conservative Republicans voted against it, citing concerns that the proposal would ultimately need taxpayer funding and focus too much on women who advocated for abortion rights.

The legislation scheduled for a vote on Tuesday currently has 293 co-sponsors, including 60 Republicans.

Rep. Brian Fitzpatrick Brian K. FitzpatrickFlorida Democrat introduces bill to recognize Puerto Rico statehood referendum DCCC reserves new ad buys in competitive districts, adds new members to 'Red to Blue' program 2020 Global Tiger Day comes with good news, but Congress still has work to do MORE (R-Pa.), one of the lead co-sponsors of Maloney's bill, expressed hope that it would pass "unanimously."

"We can send a very strong message to the Senate to pick up this bill," Fitzpatrick said.

House Democrats are trying to hammer their own message this week with legislation meant to boost women as the presidential primary season moves through the early state contests.

In addition to the bill to create a women's history museum, the House will also vote on a resolution on Thursday to remove the ratification deadline to add the Equal Rights Amendment prohibiting discrimination based on gender to the Constitution.

Maloney argued that there should be a museum dedicated to documenting women's history given the wealth of other museums in Washington focusing on all sorts of historical topics.

"This all began one day I was walking around the Mall. And I was looking at the museums. And they have postage stamps, they have law and order, they have spies, they have textiles, they have everything. And they're all very enriching and important institutions. But I found myself asking, 'Where are the women?'" she said.