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Today in History
1624 - The first submarine is publicly tested in London on the Thames for King James I
1758 - French astronomer Charles Messier mistakes the Crab Nebula for a comet while searching for Halley's Comet, leading him to begin his Messier Catalogue
1909 - World's first patent for synthetic rubber is granted to German chemist Fritz Hofmann
1940 - Four teenagers follow their dog down a hole near Lascaux, France, and discover 17,000-year-old drawings now known as the Lascaux Cave Paintings
1624 - The first submarine is publicly tested in London on the Thames for King James I
1758 - French astronomer Charles Messier mistakes the Crab Nebula for a comet while searching for Halley's Comet, leading him to begin his Messier Catalogue
1909 - World's first patent for synthetic rubber is granted to German chemist Fritz Hofmann
1940 - Four teenagers follow their dog down a hole near Lascaux, France, and discover 17,000-year-old drawings now known as the Lascaux Cave Paintings
