1973 Event Ron Santo becomes 1st to invoke no-trade clause of 10-year-1-club vet 1970 Event Curt Flood files a civil lawsuit challenging baseball's reserve clause 1969 Event New York Times reports Curt Flood will sue baseball and challenge the reserve clause 1951 Event Ty Cobb testifies before the Emanuel Celler committee, denying that the reserve clause makes peons of baseball players 1906 Death Carlos Calvo, Argentina diplomat (Calvo Clause), dies at 82 1898 Event Louisiana adopts new constitution with "grandfather clause" designed to eliminate black voters 1879 Event Cincinnati Enquirer publishes 1st report on baseball reserve clause 1879 Event NL owners meeting in Buffalo adopt reserve clause, giving each team exclusive rights to their players 1824 Birthday Carlos Calvo, Argentina diplomat/people rights scholar, Calvo Clause
