1828. July 4—Cornerstone of Baltimore and Ohio Railroad laid by

Charles Carroll of Carrollton.

1835. Bank riots in Baltimore.

1836. Obed Hussey, of Baltimore, the inventor of the first reaper and
mower cut the first field of grain ever harvested by a
reaper (180 acres of wheat, oats and timothy), on the farm
of Gen. Tench Tilghman, near Oxford, Talbot County, Md.,
under the auspices of the Board of Agriculture for the
Eastern Shore of Maryland. Owen Dorsey, of Howard
County, Md., invented the first successful side rake and
reaper attachment.

1837. Governor's Council abolished and the office of Secretary of

State created.

1837. Electoral College for the Senate abolished and Senators chosen
by popular vote as the result of action of Van Buren elec-
tors.

1841. The Eastern Shore Land Office abolished.

1844. First telegraph line in the world built between Baltimore and

Washington.

1845. United States Naval Academy established at Annapolis.
1851. July 4—Second State Constitution adopted.
1851. Office of Chancellor abolished and a Commissioner of the Land

Office created.

1859. John Brown's raid on Harper's Ferry. Frederick County Mili-
tia first to arrive on scene.

1861. April 19—Sixth Massachusetts Regiment marches through Bal-
timore.

1861. May—Gen. B. F. Butler seizes Federal Hill and commands Bal-
timore.

1862. September—Battle of Antietam.

1863. July—Battle of Gettysburg.

1864. July—-Battle of Monocacy.
1864. October 12—Third State Constitution adopted.
1867. September 18—Fourth State Constitution adopted.
1876. Johns .Hopkins University opened.
1879. New foundation placed under State House and interior of

building modernized.

1889. Johns Hopkins Hospital opened.
1896. Geological and Economic Survey established.

1901.. Court of Appeals building completed.

1902. Annex to State House commenced. Occupied by Legislature of

1904.

1906. The historic old Senate Chamber restored by Governor Edwin

Warfield.

1908. Good Roads movement begun.
1916. Troops of M. N. G. sent to the Mexican border.
1916, Budget System of appropriations adopted by the people of the

State as a part of the Constitution.

1916. State Law Department established under the Direction of the

Attorney-General.

1917. War sessions of the General Assembly.
1917. Maryland National Guard mustered into Federal service. Mary-
land Council of Defense appointed. Camp Meade located in
Maryland; 313th Regiment organized.

1920. (General Assembly passes measures providing for Merit System
applicable to State employees, and also creating Central
Purchasing Agency.

1920, Special session of the General Assembly to pass laws enabling

women to register and vote.