1942: Tatra started production of Tatra 111 with air-cooled V12 diesel engine. 1  1943â46: The common-rail (CRD) system was invented (and patented by) Clessie Cummins. 2  1944: Development of air cooling for diesel engines by KlÃ¶ckner Humboldt Deutz AG (KHD) for the production stage, and later also for Magirus Deutz.
Aaron (then age 39) hit 40 home runs in 392 at-bats, ending the 1973 season one home run short of the record. He hit home run number 713 on September 29, 1973, and with one day remaining in the season, many expected him to tie the record.
Henry Louis Aaron, nicknamed Hammer or Hammerin' Hank, is a retired American Major League Baseball right fielder who is currently the senior vice president of the Atlanta Braves. He played 21 seasons for the Milwaukee/Atlanta Braves in the National League and two seasons for the Milwaukee Brewers in the American League, from 1954 through 1976. Aaron held the MLB record for career home runs for 33 years, and he still holds several MLB offensive records. He hit 24 or more home runs every year