Rubuta ci gaba don wannan sakin layi - David Leslie, Earl na 3 na Leven ya kafa wannan rundunar a ranar 18 ga Maris 1689 don kare Edinburgh daga sojojin Jacobite na James VII. An yi ikirarin cewa an dauki mutane 800 a cikin sa'o'i biyu. Ayyukan farko na rundunar sun kasance a yakin Killiecrankie
a ranar 27 ga Yuli 1689. Kodayake wannan yaƙin ya zama rashin nasara ga sojojin Williamite, kwamandan Jacobite, John Graham, 1st Viscount Dundee (Bonnie Dundee), an kashe shi ta hanyar harbi da Leven's Regiment ya yi, wanda ya kawo ƙarshen ƙoƙarin James II don ceton kursiyinsa a Scotland. An yanke hukuncin cewa rundunar ta yi aiki da kyau kuma an ba ta gatan daukar sabbin ma'aikata ta hanyar buga ganga a cikin Birnin Edinburgh ba tare da izinin mai ba da izini ba.