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

BIRTHPLACE OF MODERN ELECTRICITY

NEW YORK BIRTHPLACE OF MODERN ELECTRICITY HERE DISCOVERING MAGNETIC INDUCTION, JOSEPH HENRY PIONEERED THE TELEGRAPH AND ELECTRIC MOTOR, 1829-31

    John Herbert Chapman

    JOHN HERBERT CHAPMAN John Herbert Chapman (1921-1979) was born in London and educated at The University of Western Ontario, receiving a BSc (Honors) degree in 1948. After completing a PhD...

      The Black Snake Affair

      THE BLACK SNAKE AFFAIR In 1808. the Federal goverament. reacting to unfair British policies, passed an Embargo Act. forbidding trade with Great Britain. The Champlain Valley relied on trade...

        EarthScope Plate Boundary Observation Station

        Submitted by @zxqwd

          Captain Jock Porteous

          At this place on the night of September 7th 1736 Cpt. Jock Porteous of the Edinburgh City Guard was brutally lynched from a dyers pole by an Edinburgh Mob Erected by the Porteous Associates...

            The Franklin Institute

            Submitted by cruicej

              Regional Districts BC

              Submitted by @robertdall

                Shire of Flinders Electric Ball

                SHIRE OF FLINDERS ELECTRIC BALL THIS SPHERE WAS PART OF A DEVICE DESIGNED BY A MR ROBILLIARD IN 1909, WITH A VIEW TO HARNESSING THE SEA TO PROVIDE ELECTRICITY FOR SORRENTO TOWNSHIP THE SPHERE...

                • although at ...
                • electric ball
                • severe wave action

                Perronkap Utrecht Centraal

                The plaque tells the story of the old railway station roof. In Dutch: perronkap. The iron roof was constructed in 1895. In 1968, when the station (Utrecht central station) was replaced by a...

                • historic rai...
                • iron construction

                Stephen Henshaw

                IN MEMORY OF STEPHEN HENSHAW BUCKINGHAMSHIRE BATTALLION OX BUCKS LIGHT INFANTRY WHO WAS WOUNDED IN BATTLE LANGEMARK AUGUST 16" 1917. HE LAY WOUNDED ON THESE FIELD FOR SIX DAYS. HE WAS FOUND ON...