Technically the first tax bracket is $0 to $44,701, but Iâve included the effect on marginal tax rate from the federal basic personal amount of $11,327 and the Alberta basic personal amount of $18,214.
Jacob Roggeveen (1 February 1659 â 31 January 1729) was a Dutch explorer who was sent to find Terra Australis, but he instead came across Easter Island. Jacob Roggeveen also encountered Bora Bora and Maupiti of the Society Islands, Samoa. He planned the expedition along with his brother Jan Roggeveen, who stayed in the Netherlands.
He was also the first to record and observe muscle fibres, bacteria, spermatozoa and blood flow in capillaries (small blood vessels). Born in Delft, the Netherlands, on October 24, 1632, Anton van Leeuwenhoek (in Dutch Antonie van Leeuwenhoek) was the son of a basket maker. history of the compound microscope. Anton van Leeuwenhoek (1632 - 1723) was a Dutch tradesman and scientist, best known for his work on the development and improvement of the microscope and also for his subsequent contribution towards the study of microbiology.