The airship Hindenburg, the largest dirigible ever built and the
pride of Nazi Germany, burst into flames upon touching its
mooring mast in Lakehurst, New Jersey, killing 36 passengers
and crew-members, on May 6, 1937. 

The Hindenburg above New York City before the disaster.

On May 5, 1961, Navy Commander Alan Bartlett Shepard Jr.
was launched into space aboard the Freedom 7 space
capsule, becoming the first American astronaut to travel
into space. 

The suborbital flight, which lasted 15 minutes and reached
a height of 116 miles into the atmosphere, was a major triumph 
for the National Aeronautics and Space Administration (NASA).

The view from Freedom 7.

Cinco de Mayo , (Spanish for "Fifth of May") is a yearly celebration
held on May 5 to celebrate Mexico’s victory over the Second French Empire at the Battle of Puebla in 1862 which was led by General
Ignacio Zaragoza.

Ignacio Zaragoza Seguín (1829 – 1862)

Anonymous paintings depicting the Battle of Puebla.     
    
    

At Haymarket Square in Chicago, Illinois, a bomb was thrown at
a squad of policemen attempting to break up what had begun as
a peaceful labor rally. The police responded with wild gunfire,
killing several people in the crowd and injuring dozens more.

The demonstration, which drew some 1,500 Chicago workers,
was organized by German-born labor radicals in protest of the
killing of a striker by the Chicago police the day before.

William Clark Gable (February 1, 1901 – November 16, 1960)

Clark Gable for CBS Radio program, Silver Theater, and
the performance of ‘For Richer, For Richer,’ December
1939. The sponsor was the International Silver Company.

Silver Theater  was a radio dramatic anthology series. Originating
in Hollywood, California, carried on CBS and on the Canadian 
Broadcasting Corporation.

First broadcast October 3, 1937, its last broadcast was August 17,
1947.

Rosalind Russell and James Stewart for their performance
on Sunday Afternoon Silver Theater.