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 is also in the top five for career hits (3,771) and runs (2,174). He is one of only four players to have at least seventeen seasons with 150 or more hits. Aaron is in second place in home runs (755) and at-bats (12,364), and in third place in games played (3,298). At the time of his retirement, Aaron held most of the game's key career power hitting records.
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 Major League record. Aaron finished with 755, a mark that stood until Barry Bonds hit his 756th homer in 2007.