Alfred Marshall (1842-1924) was one of the most influential economists of his generation. His book, Principles of Political Economy (1890) brought together the theories of supply and demand, marginal utility and the costs of production[?] into a coherent whole. It was the dominant textbook in England for a long period.
... 8 - Japanese surprise attack on Port Arthur (Lushun)[?] starts Russo-Japanese War
February 23 - For $10 million the United States gains control of the Panama Canal ...