The U.S. government shutdown on Wednesday entered its 22nd day, becoming the second-longest federal funding lapse ever, with no end in sight.

The milestone means that the two longest shutdowns have both occurred while President Donald Trump was in office.

The longest shutdown began in December 2018, in Trump's first term, and dragged on for nearly five weeks. That shutdown stemmed from a dispute about funding Trump's contentious immigration policy.

The current shutdown resulted from Senate Democrats refusing to vote for a short-term government funding bill sponsored by Republicans, because it lacks additional spending on health care and other provisions.

Read more CNBC government shutdown coverage

Bill to fund military during government shutdown fails in Senate procedural vote

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