Argentine Antarctica been aforementioned births and weddings. In 1991, there were 142 "permanent residents" including 19 minors. "Residents" are families that live in Antarctica or scientists that have lived for more than two years. They were 121 men and 21 women that lived mostly in the colony of Esperanza and other bases. As of 1998–1999, Argentine Antarctica had a winter population of 165. Argentine Antarctica Argentine Antarctica () is a sector of Antarctica claimed by Argentina as part of its national territory consisting of the Antarctic Peninsula and a triangular section extending to the South Pole, delimited by the 25° West and
Brazilian Antarctica May 1975, making the first official mention of the Frontage Theory, which states (simplified) that sovereignty over each point in Antarctica properly belongs to the first country whose non-Antarctic territory one would reach when travelling north in a straight line from such a point. The Frontage Theory ("Teoria da Defrontação") was proposed by Brazilian geopolitical scholar Therezinha de Castro and published in her book "Antártica: Teoria da Defrontação". Outside the zone of interest, Brazil maintains a permanent staffed research facility, the Comandante Ferraz Brazilian Antarctic Base (UN/LOCODE: AQ-CFZ), located in Admiralty Bay, King George Island, near the tip of the