Complex sentence: The International Federation of Shipmasters'Associations (IFSMA) was formed by eight National Shipmasters' Associations and formally constituted on 1 January 1974, in Rotterdam with the aim to unite the world's serving Shipmasters into a single non-profit making international professional organisation.
Split into simpler sentences: The International Federation of Shipmasters'Associations (IFSMA), is the international professional organisation that unites and represents the world's serving Shipmasters. IFSMA was formed by eight National Shipmasters'Associations and formally constituted on 1 January 1974, in Rotterdam with the aim to unite the world's serving Shipmasters into a single non-profit making international professional organisation.