Photo: PAUL J. RICHARDS/AFP/Getty01of 05From left: Rosalynn and Jimmy Carter attend a fundraiser on Valentine’s Day in 1976.Rick Diamond/GettyFirst Lady Rosalynn Carter and President Jimmy Carter attend a fundraiser on Valentine’s Day 197602of 05White House/Mai/White House/Mai/The LIFE Images Collection/GettyPresident Ronald Reagan gives First Lady Nancy Reagan (what else?) a box of chocolates outside of Air Force One in 198503of 05Marcy Nighswander/AP/REX/ShutterstockPresident Bill Clinton and First Lady Hillary Clinton leave chuch in Washington, D.C. The president also participated in a Valentine’s Day fun-run for heart health.04of 05Ron Sachs-Pool/GettyPresident George W. Bush and First Lady Laura Bush watch singer Michael Feinstein at a Valentine’s Day dinner at the White House on Feb. 14, 2006.05of 05REX/ShutterstockPresidentBarack Obamaand First LadyMichelle Obamaleave Table 52 after a Valentine’s Day dinner in Chciago in 2009
Photo: PAUL J. RICHARDS/AFP/Getty

01of 05From left: Rosalynn and Jimmy Carter attend a fundraiser on Valentine’s Day in 1976.Rick Diamond/GettyFirst Lady Rosalynn Carter and President Jimmy Carter attend a fundraiser on Valentine’s Day 197602of 05White House/Mai/White House/Mai/The LIFE Images Collection/GettyPresident Ronald Reagan gives First Lady Nancy Reagan (what else?) a box of chocolates outside of Air Force One in 198503of 05Marcy Nighswander/AP/REX/ShutterstockPresident Bill Clinton and First Lady Hillary Clinton leave chuch in Washington, D.C. The president also participated in a Valentine’s Day fun-run for heart health.04of 05Ron Sachs-Pool/GettyPresident George W. Bush and First Lady Laura Bush watch singer Michael Feinstein at a Valentine’s Day dinner at the White House on Feb. 14, 2006.05of 05REX/ShutterstockPresidentBarack Obamaand First LadyMichelle Obamaleave Table 52 after a Valentine’s Day dinner in Chciago in 2009
01of 05From left: Rosalynn and Jimmy Carter attend a fundraiser on Valentine’s Day in 1976.Rick Diamond/GettyFirst Lady Rosalynn Carter and President Jimmy Carter attend a fundraiser on Valentine’s Day 1976
01of 05
From left: Rosalynn and Jimmy Carter attend a fundraiser on Valentine’s Day in 1976.Rick Diamond/Getty

First Lady Rosalynn Carter and President Jimmy Carter attend a fundraiser on Valentine’s Day 1976
02of 05White House/Mai/White House/Mai/The LIFE Images Collection/GettyPresident Ronald Reagan gives First Lady Nancy Reagan (what else?) a box of chocolates outside of Air Force One in 1985
02of 05
White House/Mai/White House/Mai/The LIFE Images Collection/Getty

President Ronald Reagan gives First Lady Nancy Reagan (what else?) a box of chocolates outside of Air Force One in 1985
03of 05Marcy Nighswander/AP/REX/ShutterstockPresident Bill Clinton and First Lady Hillary Clinton leave chuch in Washington, D.C. The president also participated in a Valentine’s Day fun-run for heart health.
03of 05
Marcy Nighswander/AP/REX/Shutterstock

President Bill Clinton and First Lady Hillary Clinton leave chuch in Washington, D.C. The president also participated in a Valentine’s Day fun-run for heart health.
04of 05Ron Sachs-Pool/GettyPresident George W. Bush and First Lady Laura Bush watch singer Michael Feinstein at a Valentine’s Day dinner at the White House on Feb. 14, 2006.
04of 05
Ron Sachs-Pool/Getty

President George W. Bush and First Lady Laura Bush watch singer Michael Feinstein at a Valentine’s Day dinner at the White House on Feb. 14, 2006.
05of 05REX/ShutterstockPresidentBarack Obamaand First LadyMichelle Obamaleave Table 52 after a Valentine’s Day dinner in Chciago in 2009
05of 05
REX/Shutterstock

PresidentBarack Obamaand First LadyMichelle Obamaleave Table 52 after a Valentine’s Day dinner in Chciago in 2009
source: people.com