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Good morning, Broadsheet readers! Justice Amy Coney Barrett hears an enormous oil case regardless of ties to Shell, Greece’s president thanks an Olympian for coming ahead about abuse, and it’s Inauguration Day within the U.S. Have a historic Wednesday.

– First, not final. At the moment is Inauguration Day, the day Joe Biden goes from President-elect to simply plain outdated President of the United State—and the day Kamala Harris formally turns into the nation’s first-ever feminine vice chairman.

For these of you watching the Inauguration from house, Claire had a good recap yesterday of a few of the ladies who shall be featured in at present’s occasions. For a broader rundown of the day, try this FAQ on the festivities, that are anticipated to kick off round 11 a.m. ET.

With every little thing happening within the nation (and wider world), it’s simple to lose observe of simply what a historic second that is for the U.S. The USA is approaching its 250th birthday. That’s virtually two and a half centuries of males occupying the 2 strongest jobs within the nation. For Harris—a Black, South Asian-American girl—to lastly break that streak and develop into the highest-ranking girl within the historical past of U.S. authorities is one thing value celebrating at a time when little or no appears to clear that bar. To date, that celebration seems to be like every little thing from cheers in the Indian village of Thulasendrapuram, which claims Harris as a descendant; to ladies throughout the U.S. donning pearls today identical to Harris has throughout her highest-profile political moments.

At this stage, it’s not possible to know what forces will finally form and outline Harris’s time within the job, however one factor we will be sure of is that her function because the tie-breaking vote within the Senate shall be essential—particularly given large checklist of legislative priorities the Biden-Harris administration has already laid out.

Emma has a brand new piece for Fortune this morning that appears at how Harris’s tie-breaking vote matches into the historical past of 50-50 Senate splits and investigates the ways in which accountability might affect the function she performs within the administration. (As an illustration, it’s possible that her journey shall be curtailed considerably in periods when large votes are anticipated on the Capitol.) Learn it in full here.

At the moment shall be a busy day. All of us have quite a bit to do—and so does the nation. However I hope you can find a second to understand this milestone, and to consider what it portends. As Harris said on the day the election was known as: “Whereas I stands out as the first girl on this workplace. I cannot be the final, as a result of each little woman watching tonight sees that it is a nation of potentialities.”

Kristen Bellstrom
kristen.bellstrom@fortune.com
@kayelbee

At the moment’s Broadsheet was curated by Emma Hinchliffe