On this date in history: In 1846, two amateur baseball teams played under new rules at Hoboken, N.J., planting the first seeds of organized baseball. The New York Nine beat the Knickerbockers, 23-1. In 1856, the first Republican national convention ended in Philadelphia with the nomination of explorer John Charles Fremont of California for president. James Buchanan, a Federalist nominated by the Democrats, was elected. In 1864, the Union sloop-of-war USS Kearsarge sank the Confederate commerce