1958: The United States successfully launched its first satellite, Explorer 1, into orbit.

<strong>Date:</strong> Jan-31<br>
<strong>Category:</strong> Science/Space<br><br>
<strong>Event (English):</strong><br>
1958: The United States successfully launched its first satellite, Explorer 1, into orbit.<br><br>
<strong>Event (Hindi):</strong><br>
1958: संयुक्त राज्य अमेरिका ने अपने पहले उपग्रह ‘एक्सप्लोरर 1’ को सफलतापूर्वक कक्षा में प्रक्षेपित किया।