March 25: “Hurrah, and vote for suffrage! Don’t keep them in doubt.” —Febb Burn, a 47-year-old widow, in a letter to her son, Harry T. Burn, 24, a freshman legislator in Tennessee who held the pivotal ...

Chess is a relatively simple game to learn but a very difficult one to master. Because the starting positions of the pieces are fixed, top players have relied on memorizing the "best" opening moves, ...