All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Friday 29 June 1956 4
1956Poznan protests erupt in PolandWorkers' strikes crushed by Polish security forcesWorkers in Poznan, Poland, staged mass protests and strikes against communist rule, demanding better working conditions and political change. Polish security forces and the army suppressed the uprising, killing dozens of protesters. The unrest contributed to political changes that brought Wladyslaw Gomulka to power later that year.
1956Dwight D. Eisenhower signs the Federal-Aid Highway ActThe act funds the Interstate Highway System, later named after him.
1956Marilyn Monroe marries Arthur MillerActress marries playwright Arthur MillerActress Marilyn Monroe married playwright Arthur Miller in a private ceremony in New York. The marriage drew intense media attention and lasted until 1961. Miller later wrote about the relationship in several of his works.
1956US Interstate Highway System createdEisenhower creates the US Interstate Highway SystemUS President Dwight D. Eisenhower signed the Federal-Aid Highway Act, authorizing construction of the Interstate Highway System. The act funded 41,000 miles of new highways across the country. It became one of the largest public works projects in American history.