The federal government entered a shutdown at midnight on Oct. 1 when lawmakers failed to pass new funding bills. It’s unclear how long the stalemate will last, and lawmakers do not appear to be any closer to coming to an agreement that could reopen the government.

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After the shutdown began, certain programs and services went dark and federal workers faced furloughs. More programs are expected to be affected by a longer shutdown, and administration officials have suggested that federal workers could be fired .

NBC News is tracking the key dates and events of the ongoing shutdown ( Note: * Asterisked events are tentative):

Day 1

Oct. 1

The federal government shuts down.

National park visitor centers close.

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