July 7

1. 1911

   The first international wildlife treaty is signed

   The United States, Britain, Japan, and Russia signed the North Pacific Fur Seal Convention, halting open-water seal hunting to save a collapsing population. It was the first treaty to protect wildlife across borders.

   Source: Wikipedia

2. 2003

   The Opportunity rover launches for Mars

   NASA launched the Opportunity rover toward Mars on a mission planned to last 90 days. It ended up exploring the red planet for nearly 15 years, far outliving every expectation.

   Source: Wikipedia

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