A gigantic map of all the cool plaques in the world. A project of 99% Invisible.

The First Pnuematic Tyre Factory in the World

The first pnuematic tyre factory in the world was started here in 1889, to make tyres under John Boyd Dunlop's patents of the 7th December, 1888.  Submitted by johnke

The first pnuematic tyre factory in the world was started here in 1889, to make tyres under John Boyd Dunlop's patents of the 7th December, 1888.  Submitted by johnke

  • tyres
  • dunlop
  • pneumatic
  • dublin
  • ireland

Ryde Wharf

Ryde Wharf  A whart at this site was complete [illegible] although it was not used by passengers until 1866. From then until 1886, when the railway was build through West Ryde this wharf was the...

Ryde Wharf  A whart at this site was complete [illegible] although it was not used by passengers until 1866. From then until 1886, when the railway was build through West Ryde this wharf was the...

    The First Town House of Providence

    ON THIS LOT STOOD THE FIRST TOWN HOUSE OF PROVIDENCE HERE FROM TIME TO TIME ROGER WILLIAMS PRESIDED OVER THE FREEMEN FROM 1644 TO 1647 Submitted by bshaykin

    ON THIS LOT STOOD THE FIRST TOWN HOUSE OF PROVIDENCE HERE FROM TIME TO TIME ROGER WILLIAMS PRESIDED OVER THE FREEMEN FROM 1644 TO 1647 Submitted by bshaykin

    • providence
    • rhode island
    • roger williams
    • 1644
    • town house

    Prison Quarry

      Congress appropriated $30,000 in 1881 for the construction of a prison in Sioux Falls to serve Dakota Territory. In order to finance a building large enough to house up to 150 inmates, the...

      Congress appropriated $30,000 in 1881 for the construction of a prison in Sioux Falls to serve Dakota Territory. In order to finance a building large enough to house up to 150 inmates,...

    • south dakota
    • sioux falls
    • prison
    • quarry
    • 1881

    Chemin Royal

     CHEMIN ROYAL  ON THE 5TH AUGUST 1734, LANOUILLIER DE BOISCLER, CHIEF ROADMASTER OF NEW FRANCE, STARTED FROM QUEBEC BY COACH FOR MONTREAL, THUS OFFICIALLY INAUGURATING THE KING'S HIGHWAY IN...

     CHEMIN ROYAL  ON THE 5TH AUGUST 1734, LANOUILLIER DE BOISCLER, CHIEF ROADMASTER OF NEW FRANCE, STARTED FROM QUEBEC BY COACH FOR MONTREAL, THUS OFFICIALLY INAUGURATING THE KING'S HIGHWAY...

    • quebec city
    • canada
    • road
    • royal
    • king's highway
    • new france
    • 1734

    Donors and Carriers of Commemorative Stones

    SINCERE APPRECIATION IS EXTENDED TO THE FOLLOWING FOR THEIR CONTRIBUTION TO THIS MEMORIAL  THE FEDERAL GOVERNMENT  DONORS AND CARRIERS OF COMMEMORATIVE STONES  PUBLIC SUBSCRIBERS  RLSs OF THE...

    SINCERE APPRECIATION IS EXTENDED TO THE FOLLOWING FOR THEIR CONTRIBUTION TO THIS MEMORIAL  THE FEDERAL GOVERNMENT  DONORS AND CARRIERS OF COMMEMORATIVE STONES  PUBLIC SUBSCRIBERS  RLSs OF THE...

    • ryde
    • australia
    • sydney
    • memorial

    A Telescoping Iron Tank That Stored Coal Gas

    CASHOLDER HOUSE  WITHIN THIS 19TH CENTURY STRUCTURE WAS A TELESCOPING IRON TANK THAT STORED MANUFACTURED COAL GAS UNTIL NEEDED TO ILLUMINATE STREETS AND BUILDINGS IN TROY Submitted by anashabc

    CASHOLDER HOUSE  WITHIN THIS 19TH CENTURY STRUCTURE WAS A TELESCOPING IRON TANK THAT STORED MANUFACTURED COAL GAS UNTIL NEEDED TO ILLUMINATE STREETS AND BUILDINGS IN TROY Submitted by anashabc

    • telescoping
    • iron tank
    • coal gas
    • troy
    • new york
    • lighting

    The Lourie Theater

    THE LOURIE THEATER THIS BUILDING IS DEDICATED IN LOVING MEMORY OF ANN AND LOUIS LOURIE, ST. GEORGE MERCHANTS. THE CONTRIBUTIONS FOR THE ACQUISITION OF THIS BUILDING WERE MADE BY THEIR CHILDREN AND...

    THE LOURIE THEATER THIS BUILDING IS DEDICATED IN LOVING MEMORY OF ANN AND LOUIS LOURIE, ST. GEORGE MERCHANTS. THE CONTRIBUTIONS FOR THE ACQUISITION OF THIS BUILDING WERE MADE BY THEIR...

    • saint george
    • south carolina
    • lourie

    Chicago's Nine Dragon Wall

    Submitted by r4v5

    Submitted by r4v5

    • chicago
    • illinois
    • nine dragon wall

    Rockland Breakwater Lighthouse

    Construction of this 4,300-foot long breakwater began in April 1881. Eighteen years, $750,000 and over 732,277 tons of granite later, it was completed on November 24, 1899. The lighthouse dates...

    Construction of this 4,300-foot long breakwater began in April 1881. Eighteen years, $750,000 and over 732,277 tons of granite later, it was completed on November 24, 1899. The lighthouse dates...

    • rockland
    • maine
    • lighthouse
    • breakwater
    • over 7322777 tons

    Eudora Under the Hill

      Site of the Eudora settlement’s first business district. After a ferry across Bayou Macon was established in 1846, Cariola Landing was accessible to Arkansas Communities to the west and...

      Site of the Eudora settlement’s first business district. After a ferry across Bayou Macon was established in 1846, Cariola Landing was accessible to Arkansas Communities to the west...

    • eudora
    • arkansas
    • bayou macon
    • 1846
    • gariola landing
    • merchants
    • ferry
    • mount carmel

    Ida B. Wells

    Ida B. Wells 1862 - 1931  Ida B. Wells crusaded against lynchings in Memphis and the South.  In 1892 while editor of the Memphis Free Speech, located in this vicinity, she wrote of the lynching of...

    Ida B. Wells 1862 - 1931  Ida B. Wells crusaded against lynchings in Memphis and the South.  In 1892 while editor of the Memphis Free Speech, located in this vicinity, she wrote of the lynching of...

    • memphis
    • tennessee
    • ida b. wells
    • lynching
    • 1892

    John A. Roebling Bridge

      John A Roebling (1806-1869), pioneer civil engineer, was the designer and builder of the Covington-Cincinnati Suspension Bridge which was completed in 1866. It served as the prototype for...

      John A Roebling (1806-1869), pioneer civil engineer, was the designer and builder of the Covington-Cincinnati Suspension Bridge which was completed in 1866. It served as the prototype...

    • bridge
    • brooklyn
    • cincinnati
    • ohio
    • kentucky

    Benjamin Franklin Booth

    Benjamin Franklin Booth 1858 - 1941 Benjamin F. Booth was one of Memphis' earliest and most distinguished African-American lawyers.  Starting in 1886, he practiced law for more than 54 years.  In...

    Benjamin Franklin Booth 1858 - 1941 Benjamin F. Booth was one of Memphis' earliest and most distinguished African-American lawyers.  Starting in 1886, he practiced law for more than 54 years.  In...

    • memphis
    • boooth
    • 1858
    • 1941
    • tennessee
    • segregation
    • african american
    • lawyer

    Hooks Brothers Photography

    Hooks Brothers Photography Established In 1907 Established by Henry A. Hooks, Sr. and his brother Robert B. Hooks, Hooks Brothers Photography Studio was the second oldest continuously operating...

    Hooks Brothers Photography Established In 1907 Established by Henry A. Hooks, Sr. and his brother Robert B. Hooks, Hooks Brothers Photography Studio was the second oldest continuously operating...

    • memphis
    • tennessee
    • 1907
    • photography
    • black business
    • destructive fire

    John A. MacDonald

    [Location approximate] Submitted by @jonaskayla.

    [Location approximate] Submitted by @jonaskayla.

    • canada
    • kingston
    • house
    • bellevue
    • 1848
    • canadian con...

    O. E. S. Birthplace

    O.E.S. Birthplace Here in 1849, Robert Morris, Mason, schoolmaster, began movement that resulted in creation of the Order of the Eastern Star. Schoolhouse has also housed Masons and Co. C 15th...

    O.E.S. Birthplace Here in 1849, Robert Morris, Mason, schoolmaster, began movement that resulted in creation of the Order of the Eastern Star. Schoolhouse has also housed Masons and Co. C...

    • lousiana
    • masons
    • civil war
    • morris
    • o.e.s
    • order of the...

    Union Raiders Burn Tampa Blockade Runners

    On October 18, 1863, a union task force of 85 soldiers found the "Scottish Chief" and "Kate Dale" celebrated blockade runners, hidden in a remote anchorage in the Hillsborough River, near this...

    On October 18, 1863, a union task force of 85 soldiers found the "Scottish Chief" and "Kate Dale" celebrated blockade runners, hidden in a remote anchorage in the Hillsborough River, near this...

    • civil war
    • tampa
    • florida
    • afire
    • tampa bay
    • blockade

    Fitzgerald Home

    Submitted by BrandWriter

    Submitted by BrandWriter

    • fitzgerald
    • alabama
    • montgomery

    Chelsea Hotel

    LEONARD COHEN  POET, NOVELIST, SINGER-SONGWRITER  "I remember you well in the Chelsea Hotel..." FROM THE SONG "CHELSEA HOTEL #2", 1974  PRESENTED TO COMMEMORATE HIS 75TH BIRTHDAY BY MEMBERS OF THE...

    LEONARD COHEN  POET, NOVELIST, SINGER-SONGWRITER  "I remember you well in the Chelsea Hotel..." FROM THE SONG "CHELSEA HOTEL #2", 1974  PRESENTED TO COMMEMORATE HIS 75TH BIRTHDAY BY MEMBERS OF...

    • cohen
    • nyc
    • new york chelsea