7 things to know now: Record gun background checks; Chris Brown; most searched on Yahoo

What to know now:

1. Setting a record: According to the FBI, more people had background checks to purchase firearms on Black Friday 2015 than any other day on record. The FBI said the National Instant Criminal Background Check System ran checks on 185,345 people. That number was up 5 percent from background request checks on Black Friday 2014.

2. Zuckerberg's a dad: Facebook CEO Mark Zuckerberg and his wife, Dr. Priscilla Chan, announced the birth of their daughter Tuesday. Max was born last week, according to reports. In a letter to her posted on Facebook, Zuckerberg and Chan pledged to give away nearly all their wealth - around $45 billion - to help solve the problems in the world, making it a better place for their new daughter.

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3. Raising the rates: Fed chairwoman Janet Yellen will be speaking today in Washington and some believe she may reveal details about an expected bump in interest rates.  The Federal Reserve meets later this  month to decide if it will increase the cost of borrowing money.

4. Top cop fired: Chicago mayor Rahm Emanuel announced Tuesday that he fired the city's police superintendent, Garry McCarthy, following the release of video of a white police officer shooting a black teenager 16 times. "Public trust in the department has been eroded," Emmanuel said at a press conference Tuesday as he tried to answer why it took more than  a year for the video to be released.

5.  No Chris in Australia: Singer Chris Brown has canceled a planned Australian tour after authorities there said the R&B singer may not be welcomed. It's believed that Brown's request for a visa would have likely been refused because of his criminal conviction for assaulting singer Rihanna.

And one more

What  was the top internet search topic on Yahoo in 2015? Sadly, it  was the saga of Bobbi Kristina Brown. More people searched for information about the only child of the late Whitney Houston than any other topic. The annual end-of-year list was released Wednesday.