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.
Hank Aaron was born in Mobile, Alabama, to Herbert Aaron, Sr. and Estella (Pritchett) Aaron. He had seven siblings. Tommie Aaron, one of his brothers, also went on to play Major League Baseball. By the time Aaron retired, he and his brother held the record for most career home runs by a pair of siblings (768).ver the course of his record-breaking 23-year career playing Major League Baseball, Hank Aaron had a batting average of .305 with 163 hits a season, while hitting an average of just over 32 home runs a year and knocking home 99 runs batted in (RBIs) a year.