4. 2018 midterm elections sets record for women in Congress

A list of the milestones:

• 40 women of color who are headed to the House. (The current number is 38.)
• The first female senator from Tennessee.
• The first female governors of South Dakota and Maine. 
• Michelle Lujan Grisham is the first Democratic Latina elected as a governor.
• 33 congressional races featured two women facing off against each other, according to the Center for American Women and Politics.

The big picture: More women are registered to vote than men, women vote in higher numbers than men and there's been a gender gap in every midterm election since 2006 and every presidential election since 1980. And, in polls this cycle, Democrats have led among women by 20 percentage points on average.

Go deeper:

• America, 2018: Gender gaps, gender wars
• 2018 is the year of the Democratic woman
• The GOP's gender gap problem
• New October surprise: Women attacked, women activated