Major Events of August 1931: Key Historical Moments from the Month
Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from August 1931 and discover how they influenced the world both then and now.

Major Events of August 1931: Key Historical Moments from the Month
- 02 Aug 1931 Catalonia Votes for Autonomy in Spanish Republic: In a landmark referendum, citizens of Catalonia overwhelmingly voted (99%) in favor of gaining autonomous status within the Second Spanish Republic. This democratic process reflected the region's strong desire for self-governance and cultural preservation. The referendum was subsequently approved by the national parliament six weeks later, marking a significant moment in Spanish regional politics.
- 03 Aug 1931 Chicago Race Riot of 1931: On August 3, 1931, a significant racial conflict erupted in Chicago when tensions escalated between African-American residents and local authorities. The incident began after an elderly African-American woman was forcibly evicted from her apartment, sparking widespread community outrage. Approximately 2,000 protesters confronted local police, leading to a violent confrontation that tragically resulted in the deaths of three African-American individuals. This event highlighted the deep-seated racial tensions and systemic inequalities prevalent in urban American society during the early 20th century.
- 04 Aug 1931 German Currency Control Decree: On August 4, 1931, the German government implemented a significant financial regulation decree that restricted foreign currency purchases. Under this new policy, all transactions involving foreign currency exchange against the Reichsmark could only be conducted through the Reichsbank, effectively centralizing and controlling international monetary transactions during the challenging economic period of the early 1930s.
- 05 Aug 1931 German Banking Crisis Warning: German Chancellor Heinrich Brüning visited London and urgently warned British Prime Minister Ramsay MacDonald about the imminent threat to the German banking system. The collapse of Austria's Creditanstalt bank had created a domino effect that threatened to destabilize Germany's entire financial infrastructure.
- 06 Aug 1931 Japan-China Diplomatic Reconciliation: On August 6, 1931, Japan and China officially re-established diplomatic relations, marking a significant diplomatic milestone in East Asian geopolitics. This restoration of diplomatic ties came during a complex period of regional tensions and emerging nationalist sentiments, potentially signaling a temporary diplomatic détente before the escalating conflicts of the 1930s.
- 07 Aug 1931 Marlene Dietrich Named in Legal Hearing: On August 7, 1931, Hollywood actress Marlene Dietrich was embroiled in a high-profile legal dispute in Los Angeles. Riza Royce, the wife of film director Josef von Sternberg, filed lawsuits against both Dietrich and her husband. The suits alleged defamation against Dietrich, seeking $100,000 in damages, and alienation of affections against von Sternberg, demanding $500,000. This legal action highlighted the complex personal and professional relationships in early Hollywood's entertainment industry.
- 08 Aug 1931 Labor Strike at Hoover Dam Construction Site: On August 8, 1931, workers at the Hoover Dam construction site initiated a strike, likely protesting working conditions, wages, or labor rights during the challenging period of the Great Depression. This event highlights the labor tensions and workers' struggles during the early 1930s.
- 09 Aug 1931 Prussian Landtag Referendum Fails: On August 9, 1931, a referendum seeking to dissolve the Prussian Landtag (state parliament) was unsuccessful. The referendum required a 50% voter turnout to pass, but only 37.1% of eligible voters participated, rendering the initiative invalid. This event highlights the political tensions and low civic engagement in Germany during the tumultuous Weimar Republic period.
- 10 Aug 1931 Communist Party Headquarters Closed in Germany: German police padlocked the Communist Party of Germany (KPD) headquarters, located at the Karl Liebknecht House in Bülow-Platz, as punishment for previous day's rioting. Additionally, the publication of the KPD's newspaper *Red Flag* was suspended for two weeks, effectively silencing the party's primary communication channel.
- 11 Aug 1931 Hoover Moratorium Plan Signed: Representatives of the European World War One allies convened in London to sign the Hoover Moratorium plan, a significant economic policy proposed by U.S. President Herbert Hoover to provide temporary relief from international debt payments during the Great Depression. This diplomatic agreement aimed to mitigate the global economic crisis and prevent further financial collapse.
- 12 Aug 1931 Jack 'Legs' Diamond Sentenced for Bootlegging: Notorious New York City mobster Jack 'Legs' Diamond was sentenced to four years in prison for bootlegging, a common criminal activity during the Prohibition era in the United States. This conviction represented ongoing law enforcement efforts to combat organized crime and illegal alcohol trade.
- 13 Aug 1931 Birth of Screenwriter William Goldman: William Goldman, a renowned American film screenwriter, novelist, and playwright who would go on to win two Academy Awards, was born in Chicago. He would later become famous for screenplays like 'Butch Cassidy and the Sundance Kid' and 'All the President's Men'.
- 14 Aug 1931 Cuban Political Unrest: Machado Declares Martial Law: Cuban President Gerardo Machado declared martial law to suppress a growing rebellion, signaling escalating political tensions and potential civil unrest in the country during the early 1930s.
- 15 Aug 1931 Roy Wilkins Joins NAACP Leadership: Roy Wilkins became the Assistant Secretary of the National Association for the Advancement of Colored People (NAACP), a pivotal civil rights organization. His appointment would later contribute significantly to the advancement of African American civil rights during a critical period of racial segregation and social transformation in the United States.
- 16 Aug 1931 Train Collision in Leoben, Austria: On August 16, 1931, a tragic train collision occurred near the town of Leoben in Austria, resulting in the loss of 13 lives. The accident highlighted the safety challenges in railway transportation during the early 20th century and prompted investigations into rail safety protocols.
- 17 Aug 1931 Japanese-Chinese Diplomatic Tension over Alleged Spy Incident: In August 1931, diplomatic relations between Japan and China became severely strained after an incident involving the arrest, killing, and cremation of three Japanese nationals traveling in China. The Chinese government acknowledged the action, claiming that at least one of the individuals was suspected of espionage. This event heightened anti-Chinese sentiment in Japan and contributed to the escalating tensions between the two nations in the lead-up to the Manchurian Incident later that year.
- 18 Aug 1931 Catastrophic Yangtze River Flooding in China: The flooding on the Yangtze River in China reached its most devastating point, with water levels rising to 53 feet (16 m) above normal river levels at Hankou in Wuhan province. This massive flood resulted in a humanitarian disaster, causing approximately 3.7 million deaths through flooding, subsequent famine, and disease outbreaks.
- 19 Aug 1931 German Military Atrocity in Belgium: On August 19, 1931, the German army executed 150 Belgian civilians by firing squad, representing a brutal act of military violence that highlights the tensions and potential for aggression in the period between World War I and World War II.
- 20 Aug 1931 Spain Passes Church Property Decree: The Spanish government issued a significant decree preventing churches from selling their property. This action was a direct response to rumors that exiled Cardinal Pedro Segura y Sáenz had allegedly instructed churches to sell their assets before potential government confiscation, reflecting the complex religious and political tensions of the era.
- 21 Aug 1931 Babe Ruth Reaches 600 Home Run Milestone: On August 21, 1931, baseball legend Babe Ruth achieved a historic milestone by hitting his 600th career home run during a game between the New York Yankees and the Saint Louis Browns. The Yankees won the game 11-7, further cementing Ruth's status as one of the most prolific sluggers in baseball history. This achievement was a testament to Ruth's extraordinary power and skill, marking him as a pioneering figure in Major League Baseball.
- 22 Aug 1931 King George V Responds to Political Crisis: King George V cut short his vacation at Balmoral Castle and returned to London as the Ramsay MacDonald government faced potential resignation due to a severe budget deficit crisis. The monarch's swift action underscored the gravity of the economic challenges facing the United Kingdom during the early years of the Great Depression.
- 23 Aug 1931 Hamilton O. Smith - Nobel Prize Microbiologist: Hamilton O. Smith is an American microbiologist who was awarded the Nobel Prize in Physiology or Medicine for his groundbreaking research in molecular biology and genetics.
- 24 Aug 1931 Labour Government Resignation and National Government Formation: On August 24, 1931, the Labour Government led by Ramsay MacDonald resigned, marking a significant political transition in the United Kingdom. MacDonald formed a National Government that included representatives from all major political parties, effectively creating a coalition government during a period of economic and political uncertainty.
- 25 Aug 1931 Lindberghs Complete Transcontinental Flight to Tokyo: Charles Lindbergh and his wife Anne Morrow Lindbergh successfully landed in Tokyo, completing an extraordinary aerial journey of over 7,000 miles (11,000 km) from New York. This remarkable achievement highlighted the growing capabilities of long-distance aviation and the Lindberghs' reputation as pioneering aviators.
- 26 Aug 1931 Hamaguchi Osachi, Prime Minister of Japan: Hamaguchi Osachi, the 27th Prime Minister of Japan, was a significant political figure during the early Shōwa period. Born in 1870, he played a crucial role in Japanese governance during a tumultuous time of economic challenges and rising militarism. His leadership was marked by efforts to stabilize Japan's economy in the aftermath of the Great Depression and navigate complex international relations.
- 27 Aug 1931 Dornier Do X Completes Historic Transatlantic Flight: The German flying boat Dornier Do X successfully completed an extraordinary transcontinental journey, arriving in New York after an epic 12,500-mile (20,100 km) voyage that traversed multiple continents. This remarkable aircraft, a pioneering marvel of early aviation technology, demonstrated the potential of long-distance air travel during an era when such journeys were considered nearly impossible. The flight, which lasted almost a year, represented a significant milestone in international transportation and showcased Germany's advanced engineering capabilities in the interwar period.
- 28 Aug 1931 British Labour Party Leadership Change: In a significant internal political development, the Labour Party's Members of Parliament voted to remove Prime Minister Ramsay MacDonald from his leadership position. Arthur Henderson, a prominent political figure who previously served as Foreign Secretary, was subsequently elected as the new party leader, marking a notable transition in British political leadership.
- 29 Aug 1931 Harry Powers Murder Confession in West Virginia: On August 29, 1931, in Clarksburg, West Virginia, serial killer Harry Powers made a shocking confession to murdering a woman and three children, a crime that captivated national media attention. Powers' brutal killings exposed the dark underbelly of rural America during the Great Depression era, highlighting the public's fascination with sensational criminal cases.
- 30 Aug 1931 Netherlands-Turkey Trade and Navigation Treaty: On August 30, 1931, the Netherlands and Turkey signed a bilateral trade and sea navigation treaty, marking an important diplomatic and economic agreement between the two nations. This treaty likely aimed to establish formal trade routes, define maritime regulations, and promote economic cooperation during the interwar period, reflecting the diplomatic efforts of both countries to strengthen international relations.
- 31 Aug 1931 Devastating Yangtze River Flood: A catastrophic flood along the Yangtze River in China displaced approximately 23 million people, causing massive humanitarian and economic disruption. This event was one of the most significant natural disasters of the early 20th century, highlighting the region's vulnerability to extreme environmental conditions.