40th century BC
CENTURY
4000 BC; 40th century BCE; 3952 BC; 3952 BCE; 3942 BC; 3900s BC; 3929 BC; 3910s BC; 3920s BC; 3930s BC; 3940s BC; 3950s BC; 3960s BC; 3970s BC; 3980s BC; 3990s BC; 3901 BC; 3902 BC; 3903 BC; 3904 BC; 3905 BC; 3906 BC; 3907 BC; 3908 BC; 3909 BC; 3910 BC; 3911 BC; 3912 BC; 3913 BC; 3914 BC; 3915 BC; 3916 BC; 3917 BC; 3918 BC; 3919 BC; 3920 BC; 3921 BC; 3922 BC; 3923 BC; 3924 BC; 3925 BC; 3926 BC; 3927 BC; 3928 BC; 3930 BC; 3931 BC; 3932 BC; 3933 BC; 3934 BC; 3935 BC; 3936 BC; 3937 BC; 3938 BC; 3939 BC; 3940 BC; 3941 BC; 3943 BC; 3944 BC; 3945 BC; 3946 BC; 3947 BC; 3948 BC; 3949 BC; 3950 BC; 3951 BC; 3953 BC; 3954 BC; 3955 BC; 3956 BC; 3957 BC; 3958 BC; 3959 BC; 3960 BC; 3961 BC; 3962 BC; 3963 BC; 3964 BC; 3965 BC; 3966 BC; 3967 BC; 3968 BC; 3969 BC; 3970 BC; 3971 BC; 3972 BC; 3973 BC; 3974 BC; 3975 BC; 3976 BC; 3977 BC; 3978 BC; 3979 BC; 3980 BC; 3981 BC; 3982 BC; 3983 BC; 3984 BC; 3985 BC; 3986 BC; 3987 BC; 3988 BC; 3989 BC; 3990 BC; 3991 BC; 3992 BC; 3993 BC; 3994 BC; 3995 BC; 3996 BC; 3997 BC; 3998 BC; 3999 BC; Fortieth century BC
During the 40th century BC, the Eastern Mediterranean region was in the Chalcolithic period (Copper Age), transitional between the Stone and the Bronze Ages. Northwestern Europe was in the Neolithic.