This
category is for organizations, places, companies, or other things that were founded or established in the Territory of New Guinea in the 20th century.
19th c. ← Establishments in the Territory of New Guinea in the 20th century → 21st c.
1900s establishments in the Territory of New Guinea — 1901 1902 1903 1904 1905 1906 1907 1908 1909
1910s establishments in the Territory of New Guinea — 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919
1920s establishments in the Territory of New Guinea — 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929
1930s establishments in the Territory of New Guinea — 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939
1950s establishments in the Territory of New Guinea — 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959
1960s establishments in the Territory of New Guinea — 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969
1970s establishments in the Territory of New Guinea — 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
1980s establishments in the Territory of New Guinea — 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
1990s establishments in the Territory of New Guinea — 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
2000s establishments in the Territory of New Guinea — 2000
