April Dates in Bob History
| 4/1/1910 | Robert Pirosh (Author) Born |
| 4/1/1923 | Bobby Jordan (Actor) Born |
| 4/1/1930 | Robert Jahn (Physicist) Born |
| 4/1/1953 | Robert Jackson (Football) Born |
| 4/1/1955 | Robert R. McCormick (Newspaper Publisher) Died |
| 4/1/2013 | Robert Gilchrist Smith (Baseball) Died |
| 4/2/1900 | Roberto Arlt (Author) Born |
| 4/2/2015 | Robert Schuller (Televangelist) Died |
| 4/3/1933 | Bob Dornan (Politician) Born |
| 4/4/1888 | Robert MacKay Smith (Businessman) Died |
| 4/4/1893 | Robert Wood Johnson II (Businessman) Born |
| 4/4/1896 | Robert Sherwood (Author) Born |
| 4/4/1922 | Robert Abplanalp (Inventor) Born |
| 4/4/1927 | Bob Stump (Politician) Born |
| 4/4/1965 | Robert Downey, Jr. (Actor) Born |
| 4/4/2007 | Bob Clark (Actor) Died |
| 4/5/1917 | Robert Bloch (Author) Born |
| 4/5/1971 | Bob Kuberski (Football) Born |
| 4/5/1981 | Bob Bear Hite (Musician) Died |
| 4/6/1873 | Robert Oswald Taylor (Anglican Priest) Born |
| 4/6/1897 | Robert M. Coates (Author) Born |
| 4/6/1968 | Bobby Hutton (Black Panther Party) Died |
| 4/6/1978 | Robert Glasper (Piano) Born |
| 4/6/1982 | Bobby E. Wright (Psychologist) Died |
| 4/6/2017 | Robert Osborne (Actor) Died |
| 4/7/1879 | Robert Kelly (Surgeon) Born |
| 4/7/1905 | Robert Jephson Jones (British Military) Born |
| 4/7/1918 | Bobby Doerr (Baseball) Born |
| 4/7/1935 | Bobby Bare (Musician) Born |
| 4/7/1946 | Robert Metcalfe (Inventor) Born |
| 4/7/1951 | Bob Berg (Musician) Born |
| 4/7/1974 | Bobby Buntrock (Actor) Died |
| 4/7/1978 | Robert Aaron Gordon (Economist) Died |
| 4/7/1987 | Robert Streb (Golf) Born |
| 4/7/2005 | Bob Kennedy (Baseball) Died |
| 4/8/1915 | Robert Black (Author) Died |
| 4/8/1934 | Robert H. Jackson (Photographer) Born |
| 4/8/1936 | Robert Bárány (Nobel laureate in Medicine) Died |
| 4/8/1970 | Robert Ingalls (Football) Died |
| 4/9/1952 | Robert Zubrin (Founder Mars Society) Born |
| 4/9/2010 | Bob Franks (Politician) Died |
| 4/10/1828 | Robert Barnabas Brough (Author) Born |
| 4/10/1905 | Robert Furneaux Jordan (Architect) Born |
| 4/10/1917 | Robert Burns Woodward (Nobel laureate in Chemistry) Born |
| 4/10/1933 | Robert Rhodes James (Author) Born |
| 4/10/1936 | Robert Bobby Smith (Musician) Born |
| 4/10/1976 | Robert O'Neill (US Navy Seal) Born |
| 4/10/1992 | Robert Thomas Woods (Football) Born |
| 4/10/2013 | Robert G. Edwards (Nobel laureate in Medicine) Died |
| 4/11/1819 | Robert Smith (Canadian Politician) Born |
| 4/11/1909 | Robert P. Taylor (US Military) Born |
| 4/11/1929 | Robert Smith (Canoeist) Born |
| 4/11/1972 | Bobby Jones (Baseball) Born |
| 4/12/1807 | Robert Smyth (British Politician) Died |
| 4/12/1885 | Robert Delaunay (Artist) Born |
| 4/12/1943 | Robert Durst (Real Estate) Born |
| 4/12/1947 | Robert Wood Johnson IV (Businessman) Born |
| 4/12/1960 | Bob Reeves (Actor) Died |
| 4/12/1967 | Bobby Abrams (Football) Born |
| 4/12/2013 | Robert Byrne (Chess) Died |
| 4/13/1834 | Robert B. Taylor (Lawyer) Died |
| 4/13/1920 | Roberto Calvi (Banker) Born |
| 4/13/1936 | Bob Keyes (Football) Born |
| 4/13/1960 | Bob Casey (Politician) Born |
| 4/13/2017 | Robert William Taylor (Computer Scientist) Died |
| 4/14/1947 | Bob Massie (Cricket) Born |
| 4/14/1960 | Roberta S. Jacobson (US Ambassador to Mexico) Born |
| 4/14/1961 | Robert Carlyle (Actor) Born |
| 4/14/2006 | Robert J Brawley (Artist) Died |
| 4/15/1610 | Robert Persons (Jesuit Priest) Died |
| 4/15/1828 | Robert Sands (Conductor) Born |
| 4/15/1892 | Robert E. Parsons (Connecticut Lieutenant Governor ) Born |
| 4/15/1909 | Robert Edison Fulton (Inventor) Born |
| 4/15/1909 | Robert Benedict Smith (Rower) Born |
| 4/15/1927 | Robert Mills (Physicist) Born |
| 4/15/1937 | Bob Luman (Musician) Born |
| 4/15/1937 | Robert Gore (Inventor) Born |
| 4/15/1942 | Robert Musil (Author) Died |
| 4/15/1958 | Robert Hill Smith (Scottish Politician) Born |
| 4/15/1993 | Robert Westall (Author) Died |
| 4/15/2012 | Bob Wright (Basketball) Died |
| 4/16/1915 | Robert Paul Smith (Author) Born |
| 4/16/1938 | Bob Griffiths (Author) Born |
| 4/16/2002 | Robert Urich (Actor) Died |
| 4/16/2007 | Robert Jones (British Politician) Died |
| 4/17/1870 | Robert Tressell (Author) Born |
| 4/17/1898 | Bobby Matthews (Baseball) Died |
| 4/17/1907 | Bobby Stevens (Baseball) Born |
| 4/17/1943 | Robert Kuttner (Journalist) Born |
| 4/17/1971 | Bob Kelly (Author) Born |
| 4/17/2003 | Robert Atkins (Physician) Died |
| 4/18/1925 | Bob Hastings (Actor) Born |
| 4/18/1942 | Robert Christgau (Music Journalist) Born |
| 4/18/1955 | Bobby Castillo (Baseball) Born |
| 4/18/1955 | Robert William Boyle (Physicist) Died |
| 4/18/1964 | Robert Kelker-Kelly (Actor) Born |
| 4/18/2001 | Bobby Jones (Professor) Died |
| 4/19/1983 | Robert MacIntyre Gordon (World War I flying ace) Died |
| 4/19/1994 | Robert Peterson (Founder Jack in the Box) Died |
| 4/19/2014 | Robert Gunnell (Broadcaster) Died |
| 4/20/1841 | Robert Donston Stephenson (Author) Born |
| 4/20/1856 | Robert L. Stevens (Shipbuilder) Died |
| 4/20/1928 | Robert Byrne (Chess) Born |
| 4/20/1929 | Bob Braun (TV Host) Born |
| 4/20/1995 | Bob Wyatt (Cricket) Died |
| 4/21/1930 | Robert Bridges (Author) Died |
| 4/21/1936 | Bob Cleary (Hockey) Born |
| 4/21/1942 | Bobby McClure (Musician) Born |
| 4/21/1952 | Robert Griffiths (Communist Party of Britain General Secretary) Born |
| 4/21/1959 | Robert Smith (Musician) Born |
| 4/22/1876 | Robert Bárány (Nobel laureate in Medicine) Born |
| 4/22/1895 | Robert Eldridge Smith (Baseball) Born |
| 4/22/1937 | Bobbi Fiedler (Politician) Born |
| 4/22/1940 | Bob Smith (Football) Born |
| 4/22/1944 | Robert Jones (Michigan House of Representatives) Born |
| 4/22/1950 | Robert Elswit (Cinematographer) Born |
| 4/22/1964 | Bob McCann (Basketball) Born |
| 4/22/1969 | Bobby Olive (Football) Born |
| 4/23/1839 | Robert Taylor (British Army Officer) Died |
| 4/23/1917 | Robert Koehler (Artist) Died |
| 4/23/1943 | Bob Wright (Businessman) Born |
| 4/23/1995 | Robert Selby Taylor (Anglican Bishop) Died |
| 4/24/1905 | Robert Penn Warren (Author) Born |
| 4/24/1949 | Bob Chandler (Football) Born |
| 4/24/2017 | Robert Pirsig (Author) Died |
| 4/25/1894 | Robert S. Granger (US General) Died |
| 4/25/1939 | Robert Skidelsky (Author) Born |
| 4/25/2007 | Bobby Boris Pickett (Musician) Died |
| 4/26/1444 | Robert Campin (Artist) Died |
| 4/26/1926 | Preston Bob Tisch (Businessman) Born |
| 4/26/1937 | Bob Boozer (Basketball) Born |
| 4/26/2004 | Robert Clark Jones (Physicist) Died |
| 4/27/1933 | Bob Bondurant (Motor Sports) Born |
| 4/27/1987 | Bob Smith (Austrailian Rules Football) Died |
| 4/28/1970 | Bobby Dean (Chef) Born |
| 4/29/1763 | Robert Taylor (US House) Born |
| 4/29/1953 | Robert Earl Taylor (Track & Field) Born |
| 4/29/1960 | Robert J. Sawyer (Author) Born |
| 4/30/1942 | Bob Taylor (Rugby) Born |
| 4/30/1943 | Bobby Vee (Musician) Born |
| 4/30/1943 | Bob Livingston (Politician) Born |
| 4/30/1971 | Robert Taylor (Soccer) Born |
| 4/30/1986 | Robert Stevenson (Director) Died |