The document discusses several key events and developments during the Long 19th Century (1780s-1914) in different regions of the world: - In the Americas, the US gained independence and expanded through the Louisiana Purchase and Mexican-American War. Canada became a federal state under British leadership. Latin American states struggled with instability. - European powers engaged in conflicts like the Napoleonic Wars, Crimean War, and the partitioning of Africa through imperialism in the late 19th century. - Other events discussed include the California Gold Rush, the War of the Pacific between Chile and neighboring countries, and the Haitian Revolution which eliminated slavery in Haiti.