1850. Death of Wordsworth, April 24th, and of President Taylor, July 9th; Fugitive Slave Bill signed, September 18th; first national "Woman's Rights" Convention at Worcester, Mass., October 23d and 24th; Bradlaugh's first lecture; Hawthorne's Scarlet Letter, Spencer's Social Statics, and Tennyson's In Memoriam published. 1851. London Great Exhibition opens May ist; a fugitive slave rescued at Boston, Sunday, February 16th, another at Syracuse, N. Y., October ist; usurpation of Louis Napoleon, December 2d, 1851. 1852. Uncle Tom's Cabin published, March 20th; death of Frances Wright, and accession of Napoleon III., December 2d; Herbert Spencer announces the principle of Differentiation. 1854. Repeal of Missouri Compromise proposed by Douglas, January 23d; return of Burns, a fugitive slave, from Boston, June 2d; U. S. Constitution publicly burned by Garrison, July 4th; Kansas election carried by border ruffians, November 29th; Thoreau's Walden published. 1855. Spencer's Pyschology and Walt Whitman's Leaves of Grass published, 1856. Sumner assaulted, May 22d.. 1857. Disunion Convention, Worcester, Mass., January 15th; death of Beranger, July 16th, and of Comte, September 5th; tariff reduced twenty per cent, in U. S. A.; Buckle's History of Civilisation, vol. i., published. 1858. Essays by Darwin and Wallace read in public, July ist; Jews admitted to Parliament by act passed July 23d; death of Robert Owen, November 17th; Lincoln and Douglas campaign in Illinois. 1859. Austrians defeated at Magenta, June 4th, and Solferino. June 24th; Lombardy annexed to Sardinia by treaty of Villafranca, July nth; John Brown takes possession of Harper's Ferry, Sunday, October 16th, and is tried November 2d; Darwin's Origin of Species published, November 24th; John Brown hung, December 2d. 1860. Split of Democratic party, April 30th; death of Theodore Parker, May 10th; Garibaldi enters Naples, September 7th; election of Lincoln, November 6th; secession of South Carolina, December 20th; annexation of two Sicilies to Sardinia, December 26th; Mill on Liberty published. 1861. Confederate States of America organised, February 8th; protective tariff passed, March 2d; Russian serfs emancipated, March 3d; Lincoln inaugurated, March 4th; Victor Emmanuel King of Italy, March 17th; Fort Sumter bombarded, April 12th, surrendered, April 13th; Lincoln's proclamation, Monday, April 15th, calls all the North to arms; death of Cavour, June 6th; Union defeat at Bull Run, Sunday, July 21st.