This is a list of notable archaeological sites throughout the world. Many are the subject of ongoing excavation or investigation. Note the difference between archaeological sites and archaeological discoveries which is that a site is a place-orientated and a discovery is object-orientated (though of course Troy was a discovery).
... Edison's cylinder.
March 4 - Russo-Japanese War: Russian troops in Korea retreat toward Manchuria followed by 100,000 Japanese troops.
April 30 - Louisiana Purchase ...