Fiftieth anniversary year of controlled powered flight.

Fiftieth anniversary of the battle of Gettysburg.
Published: (1912)

Commemorating the fortieth anniversary of the first airplane flight by Wilbur and Orville Wright.
Published: (1943)

Commemorating the fortieth anniversary of the first airplane flight by Wilbur and Orville Wright.
Published: (1943)

Fiftieth anniversary year of farm demonstration work.
Published: (1953)

Fiftieth anniversary of American citizenship for Puerto Rico.
Published: (1967)

One hundred and fiftieth anniversary of the Lighthouse Service.
Published: (1939)

One hundred and fiftieth anniversary of the Lighthouse Service.
Published: (1939)

One hundred and fiftieth anniversary of the siege of Yorktown.
Published: (1930)

To commemorate the first successful flight by power-driven aircraft.
Published: (1927)

Fiftieth anniversary of the American Association of State Highway Officials.
Published: (1963)

Celebration one hundred and fiftieth anniversary of the settlement of Gallipolis, Ohio.
Published: (1939)

Observance of the one hundred and fiftieth anniversary of the battle of Lexington and Concord.
Published: (1924)

Appointing a committee to attend the celebration of the 50th anniversary of the first airplane flight at Kill Devil Hills, Kitty Hawk, N. C.
Published: (1953)

Fiftieth anniversary of the American Association of State Highway Officials.
Published: (1963)

Accural flight pay.
Published: (1961)

One hundred and fiftieth anniversary of the creation of the national flag of Haiti.
Published: (1953)

The observance and celebration in Cuba of the fiftieth anniversary of American and Cuban victories in the War with Spain.
Published: (1948)

Fiftieth anniversary of American and Cuban victories in the war with Spain.
Published: (1948)

Celebration of the one hundred and fiftieth anniversary of the Constitution -- Sesquicentennial Constitution Commission.
Published: (1935)

Coinage of 50-cent pieces commemorating fiftieth anniversary of termination of the war with Spain.
Published: (1948)

Observance of the one hundred and fiftieth anniversary of the battle of Bunker Hill.
Published: (1925)

Observance of the one hundred and fiftieth anniversary of the establishment of the United States Military Academy.
Published: (1951)

Coins in commemoration of the three hundred and fiftieth anniversary birth of Virginia Dare, etc.
Published: (1936)

Observance of the three hundred and fiftieth anniversary of the birth of English-speaking civilization in America.
Published: (1933)

Air travel and charter flight handbook ; a consumer's guide to air travel.
by: Jurgen, Jens
Published: (1973)

Observance of the one hundred and fiftieth anniversary of the formulation of the Constitution of the United States.
Published: (1935)

Issuance of additional coins in commemoration of the fiftieth anniversary of Cincinnati, Ohio, as a center of music.
Published: (1936)

Joint committee to attend the one hundred and fiftieth anniversary of the Battle of Kings Mountain, S. C.
Published: (1930)

Fiftieth anniversary of the Battle of Gettysburg. Letter from the Secretary of War, transmitting, in response to Senate concurrent resolution of April 3, 1912, information relative to the observance of the Fiftieth anniversary of the Battle of Gettysburg.
Published: (1912)

To authorize the coinage of 50-cent pieces in commemoration of the fiftieth anniversary of the founding of the Borough of Wilkinsburg, Pa.
Published: (1936)

Coinage of 50-cent pieces in commemoration of the one hundred and fiftieth anniversary of the founding of the City of Hudson, N. Y.
Published: (1935)

National and International exhibition in the City of Philadelphia as an appropriate celebration of the one hundred and fiftieth anniversary of the signing of the Declaration of Independence.
Published: (1922)

United States Air Force 60th anniversary : lessons learned in airpower throughout the ages.
by: Gault, Gary
Published: (2007)

One hundred and fiftieth anniversary of the inauguration of George Washington as first President of the United States.
Published: (1937)

Commemorating the anniversary of the inauguration of air mail service.
Published: (1943)

Providing for the appropriate commemoration of the one hundred and fiftieth anniversary of the establishment of the seat of the Federal Government in the District of Columbia.
Published: (1947)