Treaty of Rheinfelden
Treaty of Rheinfelden is in 1270-1299 Welsh and Scottish Wars.
On 01 Jun 1283 the Treaty of Rheinfelden was the first treaty to determine the Habsburg order of succession.
On 01 May 1308 Albert Habsburg I Duke Austria (age 52) was murdered by his nephew John "Parricide" Habsburg (age 18) who he had deprived of his inheritance when Albert Habsburg I Duke Austria (age 52) forced John's (age 18) eleven year old father Rudolf Habsburg II Duke Austria to waive his rights to the Habsburg duchies of Austria and Styria as part of the Treaty of Rheinfelden.