Is the 2020 primary over? After this week's primary elections, it just might be. Here's what went down on Super Tuesday II.

It's Joe Biden's race to lose now: Biden won four out of six states, flipping two states that Bernie Sanders won in 2016.

Notably, Biden won Michigan, the biggest delegate haul on Tue., with 52.9% of the vote—a 16.5 point lead over Sanders.

It was a rough night for Sanders, who won North Dakota but lost four states and his biggest 2016 win, Michigan, to Biden.

Sanders even fell short of the 15% delegate threshold in Mississippi with 14.8% of the vote.

The race in Washington is still too close to call, as of Wed. With 67% reporting, Sanders holds a 0.2% lead over Biden.

Here's a look at the results from Tue: 🗳️Biden: Idaho, Michigan, Mississippi, Missouri. 🗳️Sanders: North Dakota

Biden is estimated to take 215 delegates from the March 10 primary—70 more than Sanders, who'll take 145. (FiveThirtyEight)

Here's an estimated total of delegates (FiveThirtyEight): 👤Biden: 935 👤Sanders: 785

577 delegates are at stake in the March 17th primary, and Biden is projected to win all four states, per FiveThirtyEight.

Both Sanders and Biden canceled their post-primary rallies on Tue. due to caution over the coronavirus.

Sanders headed back to Vermont as the primary results rolled in. He said that he's staying in the 2020 race.

Sanders also told reporters that he'll be at Sun.'s Democratic primary debate.

Biden spoke to reporters from the National Constitution Center in Philadelphia and appealed to Sanders' supporters.

Biden, quoting Irish poet Seamus Heaney: "I truly believe it’s in our power...to make hope and history rhyme."

It wasn't just about the results. Here's what else happened on Tue.

Biden got into a confrontation with a factory worker who said Biden would "take away our guns." Biden's response:

Former 2020 candidate Andrew Yang endorsed Biden on CNN: "We need to bring the party together."

TL;DR: Biden wins big and is primed to be the nominee; Sanders needs a miracle; All eyes are on Sun.'s debate.