births
John Middendorf, American mountain climber (died 2024)
Related Wikipedia articles
John Middendorf
American mountain climber and inventor (1959–2024)
John William Middendorf IV was an American big wall climber, mountaineering writer and designer of climbing equipment.Source: Wikipedia (CC BY-SA)
April 13
Day of the year
April 13 is the 103rd day of the year in the Gregorian calendar; 262 days remain until the end of the year.Source: Wikipedia (CC BY-SA)