Rubuta ci gaba don wannan sakin layi - Yaƙin Shekaru Bakwai, wanda ya fara a 1756, shi ne yaƙin farko da aka yi a duniya kuma ya ga Birtaniya ta shiga Turai, Indiya, Arewacin Amirka, Caribbean, Philippines, da kuma bakin tekun Afirka. Sakamakon ya kasance mai kyau ga Birtaniya, kuma babbar masifa ga Faransa. William Pitt the Elder ne ke da alhakin yanke shawara. Yaƙin ya fara ne da mummunan hali. Biritaniya ta rasa tsibirin Minorca a shekara ta 1756
, kuma ya sha wahala jerin shan kashi a Arewacin Amurka. Bayan shekaru da yawa na koma baya da kuma sakamako na matsakaici, sa'a na Birtaniya ya juya a cikin "shekara mai ban mamaki" ("Annus Mirabilis") na 1759. 'Yan Birtaniya sun shiga shekara da damuwa game da mamayewar Faransa, amma a ƙarshen shekara, sun yi nasara a duk wasan kwaikwayo. A cikin Amurka, sun kama Fort Ticonderoga (Carillon), sun kori Faransanci daga Jihar Ohio, sun kama Quebec City a Kanada sakamakon sakamakon yakin basasa na Ibrahim, kuma sun kama tsibirin Guadeloupe mai arziki a cikin West Indies. A Indiya, Kamfanin John ya kori sojojin Faransa da ke kewaye da Madras. A Turai, sojojin Biritaniya sun shiga cikin nasara mai nasara a yakin Minden. Nasara a kan sojojin ruwan Faransa a yakin Lagos da kuma yakin da aka yi a Quiberon Bay ya kawo karshen barazanar mamayewar Faransa, kuma ya tabbatar da martabar Birtaniya a matsayin babbar rundunar sojan ruwa a duniya. Yarjejeniyar Paris ta 1763 ta nuna babban matsayi na Daular Burtaniya ta Farko. Makomar Faransa a Arewacin Amurka ta ƙare, kamar yadda New France (Quebec) ya zo ƙarƙashin ikon Birtaniya. A Indiya, Yaƙin Carnatic na uku ya bar Faransa har yanzu tana da iko da ƙananan ƙananan yankuna, amma tare da ƙuntatawa na soja da kuma wajibi ne don tallafawa jihohin Birtaniya, da kyau barin makomar Indiya zuwa Birtaniya. Saboda haka, nasarar da Biritaniya ta yi a kan Faransa a Yaƙin Shekaru Bakwai ya sa Biritaniya ta zama mai mulkin mallaka a duniya, kuma Faransa ta yi ƙyamar ramuwa.