Pole of inaccessibility to reach this false northern pole of inaccessibility was made by Sir Hubert Wilkins, who flew by aircraft in 1927. In 1941, the first Soviet expedition using an airplane landed 350 kilometers north of the false northern pole, thus actually becoming the first expedition to reach the real pole. Ignoring Soviet results, Sir Wally Herbert claimed to be the first to reach what was then considered to be the northern pole of inaccessibility on foot, arriving by dogsled in 1968. Explorer Jim McNeill claimed in 2006 that Herbert did not quite make the pole, and launched his own unsuccessful attempt
Led Zeppelin North American Tour 1968–1969 to attend the tour with the group, also stated: The fairly typical set list for the tour was: There were some set list substitutions, variations, and order switches during the tour. Led Zeppelin North American Tour 1968–1969 Led Zeppelin's 1968/1969 tour of North America was the first concert tour of North America by the English rock band. The tour commenced on 26 December 1968 and concluded on 16 February 1969. It was important for the band, as their popularity grew substantially because of the concerts and helped them reach significant commercial success in the US, which translated to sales elsewhere.