19 April 1898 (121 years ago) Underground pneumatic tube mail service connected the central Philadelphia post office with Pennsylvania and Reading terminals
4 April 1910 (109 years ago) Commissioning Pneumatic Tube Mail Algiers, Algeria
28 April 1950 (68 years ago) Pneumatic Tube Mail between New York and Brooklyn (mail carried in tubes across the Brooklyn Bridge) ends because of repairs on the bridge and was never restored
30 April 1984 (34 years ago) Pneumatic Tube Mail system Paris France out of business
Pneumatic Tube, Rohrpost, Buizenpost