Ampoule of penicillin
1945
1945
1945
2000-100 BCE
1938 and 1951
1955; 1830
1945
1990-96
circa 1945
1903 (original); 1982 (model)
4000-2001 BCE
1801-1892 (prepared); 1946 (element replaced)
1830 (original); 1967 (model)
1989-08
circa 1945
1945
28 February 1945
1945
1730; 1967
1945
1972-3
2500 BCE
1950-1920
1945
1970-1910
1971-1900
circa 1945
1990-95
1945
1945
1945
1965-1900
1859; 1986
1945-50
1945
1945
1945
1937; 1980
1945
3000-1500
3000-2000 BCE
1945-01-31
1945
1963-01
1945-03-23
1945-04-23
1945-05-15
1947-04
1946-01
1945-03-28
1945-03-04