What were the greatest achievements in history?

There are a lot of great achievements in history. There are the seven world wonders:

• Great Pyramid of Giza
• Hanging Gardens of Babylon
• Statue of Zeus at Olympia
• Temple of Artemis at Ephesus
• Mausoleum of Maussollos at Halicarnassus
• Colossus of Rhodes
• Lighthouse of Alexandria

Then there is the space program, the Panama Canal, sailing around the world, flying around the world, agriculture, beats of burden and