What happened between 1929 to 1930?

Between 1929 and 1930, the world experienced the onset of the Great Depression, triggered by the Stock Market crash in October 1929. This economic downturn led to widespread unemployment, bank failures, and a significant contraction in industrial production. Governments worldwide struggled to respond effectively, with many adopting austerity measures that exacerbated the situation. The effects of the depression were felt globally, leading to social unrest and changes in political landscapes.