Amphibious warfare are still operating. On completion they were towed across the English Channel by tugs to the Normandy coast at only 4.3 Knots (8 km/h or 5 mph), built, operated and maintained by the Corps of Royal Engineers, under the guidance of Reginald D. Gwyther, who was appointed CBE for his efforts. By 9 June, just 3 days after D-Day, two harbours codenamed Mulberry "A" and "B" were constructed at Omaha Beach and Arromanches, respectively. However, a large storm on 19 June destroyed the American harbour at Omaha, leaving only the British harbour still intact but damaged, which included damage to
International Convention to Facilitate the Importation of Commercial Samples and Advertising Material International Convention to Facilitate the Importation of Commercial Samples and Advertising Material The International Convention to Facilitate the Importation of Commercial Samples and Advertising Material is a 1952 United Nations multilateral treaty. States that ratify the treaty agree to allow product samples and advertising material into the county duty-free. The Convention allows the duty-free importation of commercial samples that are determined to be of "negligible value". It also allows the duty-free importation of advertising material such as catalogues, price lists, and trade notices. The Convention was concluded in Geneva on 7 November 1952. It was signed by six states and