All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Monday 4 March 1929 4
1923 – 1929Coolidge presidency30th President — 1923 to 1929Calvin Coolidge assumed the presidency on August 2, 1923 after Harding's death, serving until March 4, 1929. He presided over the economic boom of the Roaring Twenties but declined to run for re-election in 1928.
1929Founding of Mexico's National Revolutionary PartyCalles creates the forerunner of the PRIFormer president Plutarco Elías Calles founded the Partido Nacional Revolucionario to unite Mexico's revolutionary factions. As the PRI it went on to govern Mexico without interruption until 2000.
1929Herbert Hoover inaugurated as US PresidentHoover becomes the 31st presidentHerbert Hoover was sworn in as the 31st President of the United States after defeating Al Smith in the 1928 election. Months later the Wall Street Crash began the economic collapse that would define his single term.
1929 – 1933Hoover presidency31st President — 1929 to 1933Herbert Hoover served as the 31st President from March 4, 1929 to March 4, 1933. The Wall Street Crash of October 1929 occurred just months into his term, leading to the Great Depression.