Each of the mails carried a special postmark depicting an airplane, mountains and bore the text -- ’First Aerial Post, 1911, ...
On February 18, 1911, French pilot Henri Pequet took off in his biplane from an exhibition ground, carrying about 6,500 mails and postcards and soared into the evening sky of Allahabad and into the ...
The article discusses the outbreak of Parthenium, an invasive weed, in India during the 1950s. This unwelcome species, which came with grain shipments under the US PL 480 scheme, caused extensive ...