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.
Watch Hank Aaron break Babe Ruth's MLB home-run record. On April 8, 1974 â 40 years ago Tuesday â Hank Aaron hit his 715th career home run, breaking Babe Ruthâs 39-year-old (â¦). I found this on FTW and wanted to share: %link% For more great sports stories ...