Original: Landing at Blackman 's Bay and later having the Dutch flag flown at North Bay , Tasman named the island Anthoonij van Diemenslandt in honor of Anthony van Diemen , the Governor-General of the Dutch East Indies who had sent Tasman on his voyage of discovery in 1642 .
Simplified: He named the island Anthoonij van Diemenslandt after Anthony van Diemen , the Governor-General of the Dutch East Indies . Van Diemen had sent Tasman to explore the area in 1642 .