If you have a hemoglobin variant, such as sickle cell hemoglobin (hemoglobin S), you will have a decreased amount of hemoglobin A. This may limit the usefulness of the A1c test in monitoring your diabetes. If you have anemia, hemolysis, or heavy bleeding, your test results may be falsely low.
Who was the president that believed that a US-controlled canal across Central America was a vital strategic interest to America and so was largely responsible for construction of the Panama Canal? Theodore Roosevelt
However: US President Woodrow Wilson officially opened the Panama Canal on 12 July 1920, despite the fact that traffic had been using the canal since its unofficial opening on 15 August 1914, when Canal cement boat Ancon, piloted by Captain John A Constantine, the Canal's first pilot, made the first official transit.hat year did the Panama Canal open for shipping traffic?   The first ship to complete the transit fo the canal was the cargo ship Ancon, on August 15, 1914.