A section of fencing at the U.S.-Mexico border labeled as the first piece of President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's border wall is part of an upgrade project first approved during the Obama administration, NBC reported.

The 2.25 mile section of fencing was first built in the 1990s out of scrap metal and landing mats that were recycled into a barrier. NBC reports that officials under former President Obama approved that section of fencing for an upgrade in 2009, and the project was then funded and completed by Trump.

According to NBC, the Trump administration started the work upgrading the section in February 2018, and it was completed in October.

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The section now has a plaque that reads: "This plaque was installed on October 26, 2018, to commemorate the completion of the first section of President Trump’s border wall."

The plaque also features Trump's name, the names of several officials and the presidential seal.

Trump is in California this weekend to discuss immigration and the border wall, as well as to attend fundraising events.

In February, Trump declared a national emergency in order to divert federal funding to the wall from other sources. The decision has led to a lawsuit from House Democrats, after Trump vetoed their initial resolution opposing the declaration.

Attorney General William Barr said at the time of Trump’s order that the president had the legal authority to declare the national emergency.

Trump campaigned on the promise of building a border wall along the southern United States border and having Mexico pay for it. He has since made immigration policy a priority during his first two years in office.