the period 1958-59 however, Proodeftiki finished in 4th place in the Piraeus Championship, behind SA. Nice and ahead of the Panelefsiniakos, Piraeus, Atromitos and Argonauts, thus losing to one place the qualification for the barrage participation in the Pan-Hellenic Championship 1958-59. In the following period, 1959-60, Proodeftiki continued its racing obligations in the Piraeus Championship and in the first 5 games, Aris Piraeus prevailed 4-0, 1-1 with Atromitos Piraeus, 1-0 from Panelefsiniakos, he scored 0-0 with the National and finally he was also equalized, this time 1-1 with Argonaut. However, in October 1959, Proodeftiki was decided to establish the permanent 1st National Division to replace the Pan-Hellenic Championship and, as a Piraeus quadrant of the previous period (1958-59), was entitled to participate. Proodeftiki participation in the newly-established championship of the permanent Alpha Ethniki, Proodeftiki had to claim through a barrage struggle, where Proodeftiki faced Olympiacos Chalkis, who had in the meantime imposed and displaced OFI. In the first match between them in Chalkida, they scored 2-2, while a draw (0-0) was the result in the repeat at the Georgios Karaiskakis Stadium. In the third most, after two consecutive draws, played in Nea Philadelphia's neutral stadium, Proodeftiki prevailed 3-0, with two goals scored by Peter Christofides (9', 11') and one by Nikos Mitosis (58') and has secured, before 10,000 spectators, its historical prestige in the first league of the First National Championship. 1959-1971: In Alpha Ethniki, distinctions and relegations in Beta Ethniki Proodeftiki fought in 10 of the first 12 championships of the newly established Alpha Ethniki and more specifically from 1959-60 until 1970-71, with the exception of the 1963-64 and 1968-69 years that he played in Beta Ethniki. In the period 1959-60 he was one of the four piratical teams that formed the 16th overall, the first championship of the First National. At the premiere of the Championship and at the same time in the first game of its history in Alpha Ethniki Championship, Apollon Kalamarias prevailed 1-0 at the G. Karaiskakis Stadium, with the only goal of Nikos Mitosis (67'), which was the first and the first goal chronologically, which occurred in the history of Alpha Ethniki. At the end of the championship he found Progressive in 9th place, ranking with Iraklis of Thessaloniki, leading to a classification match, to formally secure the score, defeating 2-0 and eventually taking the 10th place , leaving behind them Apollon Kalamaria, National,