Winston Churchill was the first of 12 prime ministers who have met with Queen Elizabeth II since she took the throne in 1953. (Photo: Fox Photos/Getty Imag

Why Is John F. Kennedy so Popular?

https://www.youtube.com/watch?v=i3-CAFX9XeM

The 12 Best Lines from Presidential Debates

https://www.youtube.com/watch?v=E086GjZmZkY

The History of U.S. Elections (1964-2016)

https://www.youtube.com/watch?v=TJtskViDg7g

Every Presidential oath of office (Franklin D. Roosevelt - Donald J. Trump)

https://www.youtube.com/watch?v=_vGQDBbO-fg

Remembering 1968: The return of Richard Nixon

https://www.youtube.com/watch?v=ectDJDcMuy8

How Nancy Pelosi Became the Most Powerful Woman in U.S. Politics | NYT News

https://www.youtube.com/watch?v=_3X5rugw-Lk

SOMETHING UGLY ABOUT EVERY PRESIDENT IN US HISTORY

https://www.youtube.com/watch?v=2AywbxE1kec

Jacqueline Kennedy’s Notes for Dallas Are Found, Starting a Quiet Tug of War

https://www.nytimes.com/2018/07/02/arts/jacqueline-kennedy-notes-library-dispute.html?action=click&module=RelatedLinks&pgtype=Article

Her packing list for the trip in November 1963 surfaced three years ago. Since then, it has sat at the Kennedy library: unnoticed, unpublicized — and perhaps off-limits.

Jackie Kennedy: America's first lady

https://www.youtube.com/watch?v=zM1uaF3V-mU

When tragedy struck in 1963, one woman helped an entire nation heal - and 50 years later, Jacqueline Kennedy's legend endures. So what makes Mrs. Kennedy such an icon? Susan Spencer of "48 Hours" reports.

Jackie Kennedy Stands Silently By

https://www.youtube.com/watch?v=CS6Pv-g8CMA

After President Kennedy is pronounced dead, a devastated Jackie Kennedy stands silently by as Lyndon B. Johnson is sworn in as the 36th President of the United States.

Witness to History: LBJ Sworn in as President on Air Force One

https://www.youtube.com/watch?v=Ld7IV_HwTSM

The Untold Truth Of America's First Ladies

https://www.youtube.com/watch?v=WO_r2k5QLYk

Landing the title of America's First Lady sounds like a glamorous gig, but the role of FLOTUS isn't all that it's cracked up to be. Louisa Adams once said,

"There is something in this great unsocial house which depresses my spirits beyond expression and makes it impossible for me to feel at home, or to fancy that I have a home anywhere."

And she wasn't the only person to feel cooped up in the White House. Here's a look at some of the most remarkable First Lady tragedies and triumphs throughout the years…

Dolley Madison's piece of history | 0:28

Mary Todd Lincoln, shopaholic | 1:21

Eleanor Roosevelt's marriage arrangement | 2:04

Jackie Kennedy's other horrible loss | 2:59

Betty Ford's cancer | 3:50

Michelle Obama's garden | 4:38

What will Melania do? | 5:24

Top 10 Influential First Ladies of the United States

https://www.youtube.com/watch?v=U5UFQS1n38o

First Lady Fashion: 30 Years of Inaugural Ball Gowns

https://www.youtube.com/watch?v=VEfDHGDASR4

Top 10 Best U.S. Vice Presidents in History